Techniques for absolute dating provide more exact origin dates and temporal ranges, such as a range in years.
What is relative and absolute age dating?While relative dating can help identify whether an artifact, fossil, or stratigraphic layer is older than another, it does not provide specific dates. Absolute dating techniques offer more precise origin dates and time frames, like a range in years.
Absolute dating techniques gauge the age of an object by measuring its physical characteristics. The term "radiocarbon dating" refers to one of the most effective absolute dating techniques for archaeologists. Carbon isotopes, different forms of the element carbon, are measured in order for the system to function.
By contrasting a fossil with related rocks and fossils of known ages, relative dating can estimate the fossil's age. By utilizing radiometric dating to track the isotope decay within the fossil or, more frequently, the rocks it is linked with, absolute dating can pinpoint an object's exact age.
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What describes the shape of a
skin cell?
A. The cell is long and rectangular so that
they stack and make straight pathways into
the body.
B. The cell is tapered at each end and allows
them to fit together easily in perfect lines.
C. The cells have no defined shape so that
they move easily with the body.
D. The cells are short and flat making them
easy to layer and overlap, creating minimal
spaces.
The term 'skin cell' may refer to any of the four main types of cells found in the epidermis
What is the shape of a skin cell?The researchers suggest that a shape of an epidermal cell is actually a flattened version of a tetrakaidecahedron - a 14-sided 3D solid made out of six rectangular and eight hexagonal sidesThe term 'skin cell' may refer to any of the four main types of cells found in the epidermis. These are keratinocytes, melanocytes, Langerhans cells, and Merkel cells. Each type of skin cell has a unique role that contributes to the overall structure and function of the skin.Skin cells are flat in shape so that they can join and fit together just like paving stones and multiple layers, since the skin is usually layered.
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Gel Electrophoresis can be used for all of these reasons except
The answer is it does not synthesize new DNA molecules.
Define Gel Electrophoresis ?Gel electrophoresis is a laboratory method used to separate mixtures of DNA, RNA, or proteins according to molecular size. In gel electrophoresis, the molecules to be separated are pushed by an electrical field through a gel that contains small pores.
Gel electrophoresis is a process of separating various small molecules based on their size and charge. Gel electrophoresis works on the principle of difference in the electric charge of molecules.
Electrophoresis is a laboratory technique used to separate DNA, RNA or protein molecules based on their size and electrical charge. An electric current is used to move the molecules through a gel or other matrix.
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Which model represents the general structure of the type of lipid called a triglyceride ?
CCC Energy and Matter: How do the raw materials of photosynthesis
products of cellular respiration?
Photosynthesis and cellular respiration are connected through an important relationship. The products of one process are the reactants of the other.
How does Photosynthesis and Cellular Respiration are connected?There is a significant connection between photosynthesis and cellular respiration. This connection makes life as we know it possible to continue. The reactants in one process serve as the products in the other. It is important to note that the equation for cellular respiration is the exact opposite of the one for photosynthesis:
Cellular Respiration: [tex]$ \mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_6+6 \mathrm{O}_2 \rightarrow 6 \mathrm{CO}_2+6 \mathrm{H}_2 \mathrm{O}$[/tex]
Photosynthesis: [tex]$6 \mathrm{CO}_2+6 \mathrm{H}_2 \mathrm{O} \rightarrow \mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_6+6 \mathrm{O}_2$[/tex]
The glucose needed to produce ATP during cellular respiration is produced through photosynthesis. The carbon dioxide utilized in photosynthesis is then produced from glucose. While during photosynthesis water is broken down to create oxygen, during cellular respiration oxygen is mixed with hydrogen to create water. Cellular respiration uses oxygen and produces carbon dioxide, whereas photosynthesis uses carbon dioxide and releases oxygen. We and the majority of other species utilize the released oxygen for cellular respiration. We take that oxygen in through our breath, and it travels through our blood to all of our cells. Oxygen enables cellular respiration to take place in our cells. With oxygen present, cellular respiration operates most efficiently. Much less ATP would be created without oxygen.Cellular respiration and photosynthesis are major elements of the carbon cycle.To learn more about photosynthesis and cellular respiration, refer:
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IM GIVING YALL 5 MIN TO ANWSER
Question 14 (Essay Worth 10 points)
(04.05 HC)
Analyze the given diagram of the carbon cycle below.
An image of carbon cycle is shown. The sun, a cloud, two trees, one towards left and the other towards right, an animal, lake, and a factory are included. Arrow A points from the sun to the left tree. Arrow B points from the air above the clouds to the left tree. Arrow C points from the factory towards the air above the clouds. Arrow D points from the air to the lake labeled Carbonates in Water. Arrow E points from the label Dead Organism under the animal to label Fossils and Fossil Fuels. Arrow F points from the right tree to the air.
Part 1: Which process does arrow F represent?
Part 2: Explain how matter is conserved during the process.
Part 3: Justify why this process is a recycling of carbon in the carbon cycle.
The answers include the following below:
The process F means oxygen from plant goes into the atmosphere.Matter is conserved in this process because plants take carbon dioxide from the atmosphere for photosynthesis then produces oxygen into the atmosphere and then animals feed on plants and their faeces is released into the soil for plants use which is how it is conserved.This is because absorb light energy and convert it to chemical energy and plants absorb carbon dioxide which is exhaled by humans and animals in a cyclic manner.What is Carbon cycle?This is referred to as the circulation of carbon in various forms through nature and involves various processes such as photosynthesis, respiration etc.
The process F which points from the right tree to the air means that oxygen from the plant goes into the atmosphere after the process of photosynthesis and is then used by animals.
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List all the offspring genotypes and their corresponding phenotypes?
Punnett squares are useful to get the estimate the phenotypic and genotypic proportions among the progeny produced from a cross. Genotypes: 1/4 RR, 1/2 Rr, and 1/4 rr. Phenotypes: 3/4 round seeds and 1/4 wrinkled seeds.
What is a Punnett square?The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.
Punnett squares shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.
In the exposed example, we will assume complete dominance.
Cross
Parentals) Rr x Rr
Gametes) R r R r
Punnett Square) R r
R RR Rr
r Rr rr
F1) 25% = 1/4 of the offspring is expected to be RR
50% = 1/2 of the offspring is expected to be Rr
25% = 1/4 of the offspring is expected to be rr
75% = 3/4 of the offspring is expected to have round seeds
25% = 1/4 of the offspring is expected to have wrinkled seeds
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strand of RNA used in translation with the anticodon at one end and amino acid at the other end. Is called what??
Answer: Transfer RNA
Explanation:
Answer:
transfer RNA (tRNA)
Explanation:
Transfer RNA (tRNA) is a special kind of RNA molecule. Its job is to match an mRNA codon with the amino acid it codes for. You can think of it as a kind of molecular "bridge" between the two. Each tRNA contains a set of three nucleotides called an anticodon.
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Answer: do you know there someone in the picture right
Explanation:
portion of the gene that tells the exact type and sequence of amino acids to build a protein. Is called what??
Portion of the gene that tells the exact type and sequence of amino acids to build a protein, it is called genetic code.
What is genetic code?
The genetic code is a collection of instructions that enable living cells to make proteins from genetic material found in codon sequences in DNA or RNA. By reading the messenger RNA (mRNA) three nucleotides at a time, transporting amino acids, and combining proteinogenic amino acids in the order specified by the mRNA, the ribosome does translation. A simple table with 64 entries can be used to summarise how genetically similar all species are.
The four nucleotide bases of DNA, adenine (A), cytosine (C), guanine (G), and thymine (T), are employed in various ways by each gene's code to form three-letter "codons" that specify which amino acid is necessary at each position within a protein.
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Summarize the process of evolution.
Answer:
The process of evolution involves a series of natural changes that cause species (populations of different organisms) to arise, adapt to the environment, and become extinct. All species or organisms have originated through the process of biological evolution.
What organism is widely known for its importance to Darwin’s work? Why?
Answer:
Darwin's work in particular focused on animals of the Galapagos islands, especially finches. Over time, the idea that species changed from natural selection pressures through “descent with modification” gave rise to the idea of evolution.
Darwin was also interested in Phytophthora, the widely dispersed plant pathogen, and the attempts to grow Phytophthora-resistant plants, and was fascinated by the many algae he encountered on his voyage1.
Explanation:
and this helps him to develop the theory of natural selection
Only 1 out of 100 sea turtles survives it to adulthood. From the moment they hatch, sea turtles must strive for survival. They race across the beach and battle the waves moments after their birth. Throughout this time, predators are stalking them for an easy meal. Some sea turtles are faster than others.
Only 1 out of 100 sea turtles survives it to adulthood. From the moment they hatch, sea turtles must strive for survival. They race across the beach and battle the waves moments after their birth. Throughout this time, predators are stalking them for an easy meal. Some sea turtles are faster than others. This statement is TRUE about turtles.
About TurtlesTurtles are a type of reptile animal whose habitat is in all the oceans in the world. This reptile is one of the endangered fauna.
Sea Turtles Have Been on Earth for Millions of Years.
Turtles are very old animals, they have lived on earth for more than 110 million years. Sea turtles have the advantage of remaining resilient to climate change. This is what makes turtles not extinct until now. The upper part of the turtle's body is protected by a shell called the carapace. Turtles are different from tortoises, they cannot hide their heads and feet inside the shell. This also makes them more vulnerable when dealing with predators.
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How many atoms make up one carbon dioxide (CO2) molecule? How many different types of atoms are found in one carbon dioxide molecule? This question has two parts and requires two separate answers.
2 atoms make up one carbon dioxide molecules.
What is Carbon dioxide?CO2 levels concentrate indoors where there is less ventilation since it is most frequently created indoors by the air we exhale.
One part carbon and two parts oxygen combine to form the gas known as carbon dioxide. Due to the fact that plants use it to make carbohydrates during a process known as photosynthesis, it is one of the most significant gases on the planet.
The survival of life on earth depends on photosynthesis since both humans and animals eat from plants.
Therefore, 2 atoms make up one carbon dioxide molecules.
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Set of three nucleotides that tell the ribosome to begin translating is called
Answer: AUG
Explanation:
Generally, a set of three nucleotides is called a codon (specifically on mRNA). There is a codon chart and each codon codes for one amino acid. The codon AUG (transcribed from the DNA strand TAC) codes for the amino acid MET, which tells the ribosome to begin translation. Hope this helps!
What might be an advantage of a single population of animals having a large amount of variability surrounding certain traits?
Answer:
More chances of survival
Explanation:
More genetic diversity means that the population is less likely to become extinct when faced with a new selection pressure (disease, environmental change), as they're more flexible to adapt.
Meiosis does PMAT (prophase, metaphase, anaphase, telophase) ___________ times.
The meiosis does PMAT (prophase, metaphase, anaphase, telophase) two times but it has undergone only one replication of the genetic material before the first meiotic cycle.
What is the meiosis division in the cell cycle?The meiosis in the cell cycle is a particular type of division in which the parental cell replicates DNA one time and then divides twice in order to generate four daughter cells having half genetic material.
Therefore, with this data, we can see that the meiosis division in the cell cycle is characterized by two cell divisions.
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Brain cells are a type of neuron. Why is it difficult to recover from a brain injury?
Answer:Nerve Cells Do Not Renew Themselves
Explanation:
After an injury, the skin makes a bunch of new cells and uses them to heal your wound. Yet, nerve cells in your brain, also called neurons, do not renew themselves. They do not divide at all
Which chemical equation shows the relationship between NADP^ + and NADPH? A. NADPH+ATP NADP^ + +H^ + B. NADP^ + +H^ + NADPH C. NADPH+ADP NADP^ + +ATP D. NADP^ + +P NADPH
NADP^ + +H^ + NADPH is the chemical equation shows the relationship between NADP^ + and NADPH.
Explain the short note on Light-Dependent Reactions?
Light-Dependent Reactions refer to the first stage of photosynthesis in which light energy is converted into chemical energy. This process takes place in photosystems within the thylakoid membrane of chloroplasts. When light hits the photosystems, electrons become excited and move to a higher energy level. These electrons then travel through the electron transport chain, producing ATP and NADPH. The ATP and NADPH provide energy for the second stage of photosynthesis, the light-independent reactions. The light-dependent reactions also generate oxygen which is released into the atmosphere. The light-dependent reactions are important for all organisms as they provide the energy and oxygen needed for life.To learn more about NADPH refer to:
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What nucleic acid is able to leave the nucleus
DNA
Nucleotide
RNA
Protein
Answer:
RNA
Explanation:
The mRNA leaves the nucleus through special pores in the membrane of the nucleus. Once the mRNA emerges from the nucleus, it attaches to a two-part structure called a ribosome, which consists of ribosomal RNA
Matching 5. Karyotype 6. Homozygous 7. Recessive D-8. Dominant TI 9. Homologous 10. Heterozygous Choice the best answer pollination B. A/ having d/t allele B/ pairs of chromosome C/ photograph of the chromosom D/ character express itself E/ having identical allele F/ character not express it self
5. Karyotype : C photograph of the chromosom
6. Homozygous : B pairs of chromosome.
What are the definition of terms?7. Recessive : F character not express it self.8. Dominant : D character express itself.9. Homologous : E having identical allele.10. Heterozygous : A having d/t allele.A karyotype is a complete set of chromosomes in one individual.In genetics, homozygous means inheriting the same versions (alleles) of a genomic marker from both biological parents.Because of recessive inheritance, both genes in a pair must be faulty for disease to occur.A domineering personality is one that frequently directs their own and others' actions.Homologous (comparative more homologous, superlative most homologous) (comparative more homologous, superlative most homologous) demonstrating some degree of relationship or similarityFor more information on allele kindly visit to
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7. Write to Learn Answer the question in the
mystery clue below. Remember that
honeycreepers eat different kinds of foods.
How might the sources of food differ from
island to island?
Answer:
The sources of food for honeycreepers may differ from island to island due to the different types of vegetation and insects that are available. The availability of food sources will depend on the climate, terrain, and the type of vegetation present on each island. For example, some islands may have a wide variety of plants, insects, and fruits, while other islands may be more limited in the types of food sources available to honeycreepers.
Explanation:
state the importance of osmoregulation in human body
Answer:
Explanation:
The process by which the human body maintains correct water and electrolyte balance in order to operate properly is known as osmoregulation. It is necessary for human existence because it guarantees that the body has enough water and electrolytes to carry out key physiological activities.
One of the most important purposes of osmoregulation is to maintain the right balance of water and electrolytes within cells, which is required for the normal functioning of enzymes, hormones, and other molecules involved in the body's metabolism.
Another key role of osmoregulation is to keep the body's osmotic pressure stable. Osmotic pressure is the force that causes the passage of water across cell membranes, and it is necessary for cell function, notably in the kidneys, which regulate the body's water and electrolyte balance.
Osmoregulation is also important in maintaining the right fluid balance in the blood and extracellular fluid compartments of the body. When the body loses too much water or electrolytes, it can cause dehydration, which can be fatal. On the other side, drinking too much water can lead to hyponatremia, a condition in which the sodium level in the body is too low.
In conclusion, osmoregulation is important for the human body because it maintains the proper balance of water and electrolytes, which is required for the proper functioning of enzymes, hormones, and other molecules involved in the body's metabolism; it also maintains the correct osmotic pressure, which is required for the proper functioning of cells, particularly those in the kidneys; and it plays a critical role in maintaining the proper balance of fluids in the body.
FORESTRY QUESTIONS ANSWER AS FAST AS POSSIBLE ENDS ON THE 20TH
Question 1 (1 point)
Evidence shows that GMO crops are very dangerous.
True
False
Question 2 (1 point)
In forestry, a stakeholder must own the land to have input in decisions.
True
False
Question 3 (1 point)
The example of the Kleercut campaign illustrates that
protesting rarely produces positive results.
Greenpeace's tactics are similar to those of ecoterrorists.
nonprofits have no role in determining forestry practices.
nonprofits and corporations can work together to make sound policy.
Question 4 (1 point)
Private industry does not have to follow federal regulations.
True
False
Question 5 (1 point)
Which of the following is the primary concern holding up approval of genetically modified eucalyptus?
They are expensive to create
They could damage other trees in the ecosystem
They will generate higher profits for the lumber industry
There is very little interest in bringing GMOs into the field of forestry
Evidence showing that GMO crops are very dangerous is false because there is no evidence, hence for questions 1- false, 2- false, 3- A, 4- A, and 5- A.
What is GMO?
There is no evidence that supports that GMO crops are very dangerous, if any gene of interest in several crops creates any harmful conditions, it may be dangerous.
The Kleercut campaign illustrates that Greenpeace's tactics are to protest the environment and make the ecosystem in balanced condition.
Therefore, the primary concern holding up the approval of genetically modified eucalyptus is that they could damage other trees in the ecosystem.
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Which statement describes how energy and matter move through an
ecosystem from one trophic level to the next?
O A. About 90% of the energy in a trophic level and about 10% of the
matter move to the next level.
OB. About 40% of the energy in a trophic level and about 90% of the
matter move to the next level.
C. About 10% of the energy in a trophic level moves to the next level,
but the amount of matter that moves to the next level varies.
D. About 90% of the energy in a trophic level moves to the next level,
but the amount of matter that moves to the next level varies.
The statment describes the energy and matter move through an ecosystem from one trophic level to the next is about 10% of the energy in a trophic level moves to the next level, but the amount of matter that moves to the next level varies.
What do you mean by trophic level?The trophic level of an organism is the position it occupies in a food web. A food chain is a succession of organisms that eat other organisms and may, in turn, be eaten themselves.
Trophic level is defined as the position of an organism in the food chain and ranges from a value of 1 for primary producers to 5 for marine mammals and humans.
In an ecological pyramid, the various trophic levels are primary producers (at the base), consumers (primary, secondary, tertiary, etc.), and predators (apex). There are essentially two major types of organisms based on their feeding mode.
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Answer:
C
Explanation:
….
How many processing stages does food go through after being
eaten?
A.Six
B.Nine
C.Five
D.Four
Answer:
6
ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation
Explanation:
After you eat, it takes about six to eight hours for food to pass through your stomach and small intestine. Food then enters your large intestine (colon) for further digestion, absorption of water and, finally, elimination of undigested food.
Answer:
A.Six
Explanation:
The six main stages that cover all kinds of food loss and waste across the entire production and supply chain of global food systems are: Harvesting, Handling & Storage, Processing, Transport & Distribution, Retail & Hospitality, and Households. Harvesting
Which statement describes why genetic engineering is a new field?
1. Genetic engineering requires DNA technologies that have only been developed recently.
2. Twentieth-century society was generally against genetic engineering.
3. Genetic engineering has existed since ancient times; however, only recently has it started to yield results.
4. People had not thought of modifying organisms for their benefit in earlier times.
People had not thought of modifying organisms for their benefit in earlier times. The correct option is D.
What is genetic engineering?The modification and manipulation of an organism's genes through technology is known as genetic engineering, often referred to as genetic modification or genetic manipulation.
Genetic engineering has been used in research and business to produce cancer treatments, brewing yeasts, genetically altered plants and animals, among other things.
Genetic engineering, also referred to as genetic alteration, is a process that uses technologies created in laboratories to change an organism's DNA.
This could involve adding new DNA, deleting a segment of DNA, or changing a single base pair (A-T or C-G).
In genetic engineering, for instance, the desired trait might be produced by transferring a gene from one species to an organism from a different species. In former times, people had not considered altering organisms for their benefit.
Thus, the correct option is D.
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Part D
Choose from three types of scientific workers (for example, biologists, chemists, and geographers) that you think could help solve the problems associated with this species, and explain how they could apply their knowledge.
The issues related to species could be resolved with the help of biologists.
What do biologists?Chemists, geographers, and biologists are the three categories of scientific workers.Chemists are people who study chemistry and do research on chemical compounds. Since they are primarily concerned with chemical reactions, they are unable to address the issue of species.Since geographers are primarily physical scientists who also study geography and the distribution of land, features, and people on earth, they are unable to address the issue of species.A biologist is someone who studies biology, which is primarily based on humans. They research all types of living things and life in general in order to be able to address issues with species.Laboratory studies with animals, plants, microbes, or biomolecules are frequently carried out by biologists. A tiny portion of biological research does, however, take place outside of the lab and may entail natural observation as opposed to experimental.
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Which equations will find the distance between the lions and giraffes? Select all that apply. 11+16 = c 112+ 162 = c2 c2+ 162 = 112 121+ 256 = c2 11(2)+16(2) = 2c
Answer:
11+16 = c and 11(2)+16(2) = 2c are the equations that will find the distance between the lions and giraffes. The first equation will find the distance between the lions and the giraffes when they are positioned one unit apart. The second equation will find the distance between the lions and the giraffes when they are positioned two units apart.
Explanation:
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Indicate which protein would be most likely to be mutated/inactivated if you were to observe the following defects during DNA replication:
• Short strands of DNA/RNA hybrids are produced instead of a continuous long strand of DNA
• Short strands of DNA only are produced instead of a continuous long strand of DNA
• DNA fails to be opened in preparation for replication
• DNA is opened but it closes up once again before the replication machinery gets a chance to initiate replication
• DNA is opened and remains opened, short RNAs are synthesized and extended briefly as DNA but highly processive replication never starts
The proteins mutated/inactivated if observe the following defects during DNA replication, 1. DNA Polymerase III, 2. DNA Polymerase III, Ligase, for 3 and 4 DNA helicase, Topoisomerase, 5. Initiator proteins.
What are proteins involved during DNA replication?Short strands of DNA/RNA hybrids are produced instead of a continuous long strand of DNA- DNA Polymerase III, Other DNA Polymerase (RNase H), and Ligase is mutated.
DNA is opened and remains opened, short RNAs are synthesized and extended briefly as DNA but highly processive replication never starts, if Initiator proteins or Origin of Replication Complex (ORC); DNA Polymerase is mutated.
Therefore, DNA Polymerase III, Ligase, and helicase are involved during DNA replication.
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Describe Cuba age structure diagram
Genetics. An autosomal study from 2014 found the genetic ancestry in Cuba to be 72% European, 20% African and 8% Amerindian
What it means to be Cuban?Cuban means belonging or relating to Cuba, or to its people or culture. countable noun. A Cuban is a Cuban citizen, or a person of Cuban origin.Cubans (Spanish: Cubanos) are people born in Cuba and people with Cuban citizenship. Cuba is a multi-ethnic nation, home to people of different ethnic, religious and national backgrounds.MB defines "Hispanic or Latino" as a person of Cuban, Mexican, Puerto Rican, South or Central American, or other Spanish culture or origin regardless of raceConversely, by using the Y chromosome in men, we found that 81.8% of Cubans are descendants of European fathers, 17.7% of African fathers and 0.5% of indigenous fathers (the latter discovered in the Caribbean for the first time, two men who are probably Taíno descendents)To learn more about Cuban refers to:
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Genetics. An autosomal study from 2014 found the genetic ancestry in Cuba to be 72% European, 20% African, and 8% Amerindian
What does it mean to be Cuban?Cuban means belonging or relating to Cuba, or its people or culture. countable noun. A Cuban is a Cuban citizen or a person of Cuban origin.
Cubans (Spanish: Cubanos) are people born in Cuba and people with Cuban citizenship. Cuba is a multi-ethnic nation, home to people of different ethnic, religious, and national backgrounds.
MB defines "Hispanic or Latino" as a person of Cuban, Mexican, Puerto Rican, South or Central American, or other Spanish culture or origin regardless of race
Conversely, by using the Y chromosome in men, we found that 81.8% of Cubans are descendants of European fathers, 17.7% of African fathers, and 0.5% of indigenous fathers (the latter discovered in the Caribbean for the first time, two men who are probably Taíno descendants)
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