Sex-linked genes are transmitted with the sex chromosomes. The combination of alleles that are involved in the inheritance of a sex-linked trait are alleles carried on X and Y chromosomes. Option C)
What is a sex-linked gene?
Genes are physically located and arranged in the chromosomes. Each chromosome contains several genes that vary in length and code for different traits. So, all chromosomes are different, except for the homologous ones.
In mammals, sex is determined by a pair of sex chromosomes, X and Y.
Females are represented by the combination of two X chromosomes, XXMales are represented by the combination of an X chromosome with a Y chromosome, XY.When talking about sex-linked genes, we refer to genes located in one of the sex chromosomes. In general, genes are linked to the X chromosome.
Being linked to one of the sex chromosomes means that these genes, and their corresponding alleles, will only be inherited together with the chromosome.
In the case of X-linked genes, a male that inherits the X chromosome from a heterozygous female can express either the dominant or the recessive trait, depending on which allele it got from the mother.
According to this framework, the correct answer is C) alleles that are carried on X and Y chromosomes.
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Answer:
alleles that are carried on X and Y chromosomes
Explanation:
Because of concern about mercury contamination, pregnant women are advised to avoid:_______
Which current is produced inresponse to a hyperpolarizing stimulus in a giant axon of a squid?
The giant axon of a squid, shows that hyperpolarizing stimulus is followed by transient inward capacitive current and lasting outward capacitive current.
Hyperpolarization is a change in a cell's membrane potential that makes it more negative. It is the opposite of a depolarization. It inhibits action potentials by increasing the stimulus required to move the membrane potential to the action potential threshold.
Hyperpolarization can be caused, for instance, by opening channels that allow positive ions to move out of the cell (or negative ions to move in).
The hyperpolarization-activated current is an inward current activated by hyperpolarization from the resting potential and is an important modulator of action potential firing frequency in many excitable cells.
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After fertilization, the newly formed zygote begins to divide into multiple cells through a process called __________.
Mitosis is the process by which a newly formed zygote after fertilization begins to divide into multiple cells.
What is mitosis?Mitosis is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.The major purpose of mitosis is for growth and to replace worn out cells.To know more about mitosis, refer :
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An environment that provides only one or few nutrient sources usually harbors a microbial community with ______ species richness, while an environment rich in many different nutrient sources usually harbors a microbial community with ___________ species richness.
An environment that provides only one or few nutrient sources usually harbors a microbial community with low species richness, while an environment rich in many different nutrient sources usually harbors a microbial community with high species richness.
what is a microbial community ?
Microorganisms that live together in a common environment are known as microbial communities. The microbial populations that make up the community can interact in a variety of ways, such as as symbionts or predators and prey.
The variety of species present in an ecological community, landscape, or area is known as its species richness. The number of species is all that is considered when measuring species richness.
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What is the final destination of acid hydrolases mannose-6-phosphate sorting signals?
A)The cell exterior
B) the lysosome
C) the early endosome
D) the late endosome
The lysosome is the final destination of acid hydrolases mannose-6-phosphate sorting signals
It only forms on proteins that are going to the lysosome. The mannose-6-phosphate receptor crosses the Golgi membrane and interacts with both the mannose-6-phosphate-containing protein on the luminal side of the membrane and coat proteins on the cytosolic side of the membrane.
Mannose-6-phosphate residues, which are detected by mannose-6-phosphate receptors in the trans-Golgi network and packaged into clathrin-coated vesicles, direct acid hydrolases to lysosomes.
These soluble lysosomal enzymes carry a distinctive identifier in the form of mannose 6-phosphate (M6P) groups, which are added only to their N-linked oligosaccharides as they transit through the lumen of the cis Golgi membrane.
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What term is used to describe the capacity of some erythrocytes to vary in size, especially in relationship to some anemias?
The term used to describe the capacity of some erythrocytes to vary in size, in relationship to some anemias is called Anisocytosis.
Additional descriptors of erythrocytes associated with some anemias include anisocytosis (assuming various sizes) or poikilocytosis (assuming various shapes).
Anisocytosis means that there are red blood cells of varying sizes on your blood smear. Poikilocytosis means that there are red blood cells of varying shapes on your blood smear.
The usual treatment for iron deficiency is taking iron supplements and changing the diet to increase iron levels through iron-rich foods. The most common supplement is ferrous sulfate, which is taken as a tablet.
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Monarch butterfly caterpillars are completely dependent upon milkweed as a food source between the larval stage and when they pupate (in a chrysalis) and emerge as butterflies. This relationship can be referred to as:
Monarch butterfly caterpillars are completely dependent upon milkweed as a food source between the larval stage and when they pupate (in a chrysalis) and emerge as butterflies. This relationship can be referred to as obligate mutualism.
The concept of mutualism can be understood as a partnership between two different species that is beneficial to both organisms involved. This connection may exist either between members of the same species or between members of two different species. Symbionts is the term given to the species that have this type of connection. All living organisms, including humans, animals, birds, plants, and even microbes such as bacteria, viruses, and fungi, are capable of forming mutually beneficial relationships with one another.
In the case of obligate mutualism, the two species are entirely dependent on one another. The monarch butterfly caterpillars and milkweed have an obligate mutualistic relationship because the butterflies depend entirely on the nectar from the milkweed, the milkweed provides a place for the next generation of monarch caterpillars to survive, and the milkweed requires the monarch butterfly for pollination and thereby increasing its dispersal.
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The critical element of Mendel's research focus was to use ______ strains that differed with regard to only one gene
The critical element used in Mendel's research was the Pea plant strain that differed in only one gene.
What is meant by a Strain?Within a biological species, a strain is a genetic variety, a subtype, or a culture.
The examples of pea plant strain that only differed by one gene are as follows:
Height of the pea plant ( tall or dwarf)Color of the flower ( white or purple)Types of seeds (round or wrinkled)Learn more about Mendel's experiment with the help of given link:
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The fiqure skater was able to use the
strength of her arms to pull her spinning
mass inward. Using the skater as a model for
the forming solar system, what force does
her muscular strength represent?
The force that is shown by the muscular strength of the fiqure skater is the gravitational force.
What is the solar system?The solar system is composed of the sun and the planets. The sun is at the center of the solar system and it is surrounded by the planets. There are nine planets that surround the sun in the solar system and the planets move round the sun in concentric orbits.
We know that the solar system is held together by the gravitational force that acts between the sun and the planets. This is why the solar system is said to be heliocentric.
Coming back to our analogy in the question, the skater is being used as a model for understanding the solar system. Thus, the force that is shown by the muscular strength of the fiqure skater is the gravitational force.
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Which energy-yielding nutrient is the most satiating?
a. protein
b. carbohydrate
c. water
d. alcohol
e. fat
Answer: protein
Explanation:
The epidermis is a barrier to ultraviolet rays, blocking much of the cancer-causing radiation from reaching the nuclei of cells called
The epidermis is a barrier to ultraviolet rays, blocking much of the cancer-causing radiation from reaching the nuclei of cells called keratinocytes.
What is keratinocytes?Skin cells, also known as epidermal keratinocytes, are highly specialized epithelial cells created for a very specific purpose: separating the organism from its environment.Keratinocytes, which make up the majority of the epidermis, have a variety of functions that are crucial for skin restoration. They carry out the re-epithelialization process, in which keratinocytes move, multiply, and differentiate in order to reestablish the epidermal barrier.The majority of the epidermis's cells, known as keratinocytes, begin in the basal layer, manufacture keratin, and help to create the epidermal water barrier by producing and secreting lipids.A kind of stratified epithelium known as keratinized stratified squamous epithelium has many layers of squamous cells, or keratinocytes, with the superficial layer of cells being keratinized. The skin's epidermis is made up of this kind of epithelium.
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The distance between the right eye and left eye provides a cue for depth perception known as?
Answer:
PUPILLARY DISTANCE (PD)
Phosphorous acid, a common ingredient used for potable water treatment, has a molecular formula of:_______
Answer:
H³PO⁴Explanation:
Phosphoric acid (orthophosphoric acid, monophosphoric acid or phosphoric(V) acid) is an inorganic compound with the chemical formula H3PO4. Phosphoric acid is a colorless solid, it is commonly encountered as an 85% aqueous solution, which is a colourless, odourless, and non-volatile syrupy liquid.Antelopes and elephants feed on the same species of grasses and shrubs in a savanna and the fitness of each species is reduced when they co-occur. What form of species interaction occurs between the antelopes and elephants
Interspecific competition occurs between antelopes and elephants.
The term "competition" refers to the process that takes place among many species as they fight for the same limited resources in order to maintain their own existence. This struggle over resources occurs among organisms because these species occupy niches that overlap, and as a result, they are compelled to use the same resources like food, water, and shelter.
Competition can be either interspecific or intraspecific. The term "interspecific competition" refers to a type of competition that occurs between various species that live in the same biological area and are dependent on the same source of food.
In the question, both antelopes and elephants feed on the same grass and shrub species. Therefore they compete amongst themselves as a result of which their fitness is reduced.
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Which procedure is contraindicated in an antepartum client with bright red, painless bleeding?
A vaginal exiamination contraindicated in an antepartum client with bright red, painless bleeding.
If a patient has bright red vaginal bleeding, a vaginal examination should be avoided until placenta previa has been ruled out. Vaginal bleeding is referred to as antepartum haemorrhage. It is most frequently observed in the third trimester and is linked to high rates of maternal and foetal morbidity and mortality.
Placental previa, placental abruption, and bloody labour show are common causes of antepartum haemorrhage. Vaginal haemorrhage, stiff uterus, and lower abdominal pain are frequently present placental abruption symptoms. Contrarily, placenta previa and vasa previa often present with painless vaginal bleeding and foetal discomfort prior to or following the rupture of the membranes, respectively.
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Which of the following is a physical property of a substance?
A. Toxicity
B. Hardness
C. Reactivity
D. Flammability
_______________ speciation emphasizes slow gradual change of genetic information (phyletic gradualism)
Sympatric is the answer.
Sympatric speciation is the evolution of a new species from a surviving ancestral species while both continue to live in the same geographic area.
Sympatric speciation occurs when all members are in close proximity to each other, with no physical barriers to prevent species members from mating with each other. New species, perhaps based on different food sources or characteristics, appear to evolve spontaneously.
Speciation (biological definition): A form of speciation in which a new species evolves from a single ancestral species while living in the same geographic area. Orthotopic speciation is more common in plants. For example, a parent plant produces progeny that are polyploid.
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The number of mitochondria in a cell would be a general indicator of the extent of:________
The number of mitochondria in a cell would be a general indicator of the extent of ATP production in that cell.
In the mitochondria of a cell, the process of cellular respiration also results in the formation of ATP. This can be done through either anaerobic or aerobic respiration, depending on whether oxygen is present. From glucose and oxygen, aerobic respiration creates ATP, as well as carbon dioxide and water.By adding a phosphate group to another molecule, ATP can drive biological operations (a process called phosphorylation). Special enzymes are responsible for carrying out this transfer, which connects the cellular processes that need energy to the release of energy from ATP.learn more about ATP here: https://brainly.com/question/869305
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The purpose of the spindle fibers is to quizlet aid in sorting and aligning the chromosomes for their movement to opposite ends of the cell.
True. The purpose of the spindle fibers is to quizlet aid in sorting and aligning the chromosomes for their movement to opposite ends of the cell.
A protein structure called a spindle fibre divides a cell's genetic material. In both mitosis and meiosis, two types of nuclear division, the spindle is required to divide the chromosomes in a mother cell into two daughter cells in an equal number.
The mitotic spindle, a structure made up of microtubules and related proteins, aids in the movement of chromosomes. To align the chromosomes and draw the sister chromatids apart, spindles attach to and stretch from centrioles on each of the two poles (or sides) of the cell.
Therefore, The purpose of the spindle fibers is to quizlet aid in sorting and aligning the chromosomes for their movement to opposite ends of the cell.
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Other things being equal, what is a potential disadvantage of an enzyme having a very high affinity for its substrate?.
An enzyme with a high affinity for its substrate will require more energy to generate an enzyme-transition state complex (the activation energy of the forward reaction) because the energy of the enzyme-substrate complex will be reduced.
What is the disadvantage of an enzyme having high affinity fir its substrate?Since the ES complex would be in a "energy trough," the activation energy for the transition state would be quite high.
Tight enzyme-substrate binding will lower the reaction's forward rate constant.A forward reaction's activation energy will increase when an enzyme's affinity for its substrate is high.Because the enzyme-substrate complex will be located in a deep energy well, it will be more stable.In contrast to the situation where the substrate-enzyme binding is weaker, a tight binding of the substrate to the enzyme will alter the amounts of free substrate and free enzyme. This little modification won't have much of an impact on the reaction kinetics because the substrate concentration is often higher than the enzyme concentration.
It is unlikely that tight binding would result in the active site being altered. Since the enzyme is significantly bigger than the substrate, it is unlikely that it will change shape.
The reaction's forward rate constant will decrease with tight enzyme-substrate binding. It is conceivable that a substrate that is securely bonded would not easily change its shape as it passes from the transition state to the products.
High enzyme substrate affinities will result in a decrease in the energy of the enzyme-substrate complex and an increase in the energy needed to generate the enzyme-transition state complex (the activation energy of the forward reaction).
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What is the effect on transcription of the structural and regulatory genes of the lac operon when lactose is present in the environment?.
In the lac operon, glucose also plays an important role along with lactose. When Lactose is present in the environment along with glucose then it cannot deactivate the regulator gene [repressor], as a result, the repressor will bind to the operator and the transcription will be blocked.
When Lactose is present in the environment without glucose then the Catabolite repressor protein will bind to the CAP Site, and lactose will bind to the repressor [regulatory gene product], as a result, the repressor gets deactivated and the transcription takes place.
Lac operon: It is a set of three structural genes z, y, and a which are all transcribed and regulated under one single promoter. The three genes code for β-galactosidase, lactose permease, and transacetylase respectively.
β-galactosidase is responsible for breaking the lactose into glucose and galactose, lactose permease is responsible for transporting lactose across the cell membrane and transacetylase attaches a particular chemical group to target molecules.
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Before transplanting your organs, all doctors and medical personnel must first?
Before transplanting your organs, all doctors and medical personnel must first make all efforts to save the life.
What is organ transplantation?Organ transplantation refers to the medical procedures to extract an organ in an individual to be used in another patient, which depends on antigen compatibility.
Organ transplantation always occurs after consent of involved persons/patients without exception.
In conclusion, before transplanting your organs, all doctors and medical personnel must first make all efforts to save the life.
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Identify a negative impact of human activity on the environment. Describe the activity, quantify its impact (how big is the problem?), and show how a solution of your own creation could help solve the problem. Indicate what the cost of the solution would be, and compare it to the impact of the problem itself. Describe forces that would try to resist the solution. How would you respond to those forces?
Deforestation represents a very negative outcome for human activity, it is associated with global warming and can be partially solved through recycling.
What is deforestation?Deforestation can be defined as the elimination of tree forests caused by humans (i.e., urbanization building, crop production, etc).
Deforestation is a global concern related to the increase of greenhouse gases (global warming), which can be mitigated via recycling.
In conclusion, deforestation represents a very negative outcome for human activity, it is associated with global warming and can be partially solved through recycling.
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Action potentials travel swiftly down: Group of answer choices dendrites with myelin and more slowly in dendrites without myelin. dendrites without myelin and more slowly in dendrites with myelin. axons with myelin and more slowly in axons without myelin. axons without myelin and more slowly in axons with myelin.
Action potentials travel swiftly down: axons with myelin and more slowly in axons without myelin.
The conduction velocity of the action potential is faster in myelinated axons, the nerve impulse generated by an action potential can propagate faster than it loses its strength due to the insulation that protects against signal loss. Similar to the insulation around wires in electrical systems, glial cells form a membrane sheath surrounding axons called myelin, insulating the axon. This myelination, as it is called, can greatly increase the speed of signals transmitted between neurons. The action potential travels down the axon as a result of sodium influx depolarizing near-threshold segments of the axon. A voltage change that reaches a threshold value causes voltage-gated sodium channels in the axonal membrane to open.
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The pathway by which carbon is transferred from the atmosphere to plants is called:_______
photosynthesis is the answer
The rectus abdominis is a __________ muscle, while the rectus femoris is a __________ muscle.
The rectus abdominis is a Parallel muscle, while the rectus femoris is a bipennate muscle.
Rectus abdominisThe long muscle of the anterior abdominal wall is the rectus abdominis, most commonly referred to as the "abs muscle." It is readily apparent beneath the skin, forming the "six pack," in people with low body fat. It reaches all the way to the pubic bone from the rib cage. Together with the pyramidalis muscle, the rectus abdominis is a member of the anterior abdominal muscles. However, when considering the functional architecture, these two muscles together with the three lateral abdominal muscles—the external oblique, internal oblique, and transversus abdominis—make up the anterolateral abdominal wall. The rectus sheath, which is made up of the aponeuroses of the lateral abdominal muscles, surrounds and protects the rectus abdominis muscle. The linea semilunaris is the outside, most lateral line defining the rectus.
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For each offspring genotype in the Punnett square you just completed, determine the phenotype. In other words, what is the predicted fur color and eye color of the offspring? Using your Punnett square from the last step, fill in the predicted fraction for each phenotype in the data table below.
Black Fur and Black Eyes Black Fur and Red Eyes White Fur and Black Eyes White Fur and Red Eyes
This was the answer for me on Edge.
Based on the Punnett square, all offspring are predicted to have black fur, with a 50% chance of having black eyes and a 50% chance of having red eyes.
What is a phenotype?Assuming that black fur (B) is dominant over white fur (b) and black eyes (E) are dominant over red eyes (e), the predicted phenotypes for each genotype in the Punnett square are:
BBEE: Black fur and black eyes
BBEe: Black fur and red eyes
BbEE: Black fur and black eyes
BbEe: Black fur and red eyes
bbEE: White fur and black eyes
bbEe: White fur and red eyes
Using these predicted phenotypes, the data table would be filled in as follows:
Phenotype Predicted Fraction
Black Fur and Black Eyes 0.50
Black Fur and Red Eyes 0.50
White Fur and Black Eyes 0.00
White Fur and Red Eyes 0.00
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The central nervous system consists of the: Group of answer choices parasympathetic and sympathetic divisions. sense organs and sensory neurons. brain and the spinal cord. muscles and glands.
According to the research, the central nervous system consists of the brain and the spinal cord (c).
What is the central nervous system?It is made up of the brain and spinal cord, these are the main information and control centers of the body.
The brain is the organ contained within the skull, which integrates and controls all the functions of the body, from the sensory, motor and integrative part.
Therefore, we can conclude that according to the research, the central nervous system consists of the brain and the spinal cord (c).
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Many biologists debate how a virus should be classified. in 2008, scientists in france discovered that a virus was
capable of infecting another virus. which theory might be supported by this information?
a virus is living
a virus is nonliving
a virus uses sexual reproduction
a virus makes its own proteins
This observation supports the theory that a virus is living.
What is a virus?A virus is basically a molecule which is non living when it is outside of living cells but becomes living when it enters into a living cell.
However, given the fact that a virus was capable of infecting another virus we could opine that a virus is living.
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Answer:answer is A
Explanation:
An amoeba is much less complex than a fruit fly; however the amoeba has a much larger genome (c-value). What is the best overall explanation for this paradox?
The amoeba has a much larger genome (C-value) because A large percentage of eukaryotic genomes is non-coding DNA, the amoeba has much more non-coding DNA than the fruit fly.
The amount of DNA in an organism's haploid genome is measured by the C-value. It varies greatly, often rising in C-value as organism complexity increases—from prokaryotes to invertebrates, vertebrates, and plants.The so-called C-Value Paradox refers to the finding that genome size does not always rise in proportion to an organism's apparent level of complexity.In comparison to prokaryotes (organisms without a nucleus), such as bacteria, eukaryotes, or species having a nucleus to hold their genetic material (DNA), do have larger genomes. Only 4 million base pairs make up the best friend of microbiologists, E. coli. On the other hand, the fly, Drosophila Melanogaster, has 140 million base pairs. Clearly, a fly is more complicated than a bacterium.learn more about C-value here: https://brainly.com/question/13188599
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