The allelic and genotypic frequencies for the population are: p = 0.53, q = 0.47, p2 = 0.28, 2pq = 0.50, and q2 = 0.22.
The Hardy-Weinberg equilibrium states that in an ideal, non-evolving population, allele frequencies remain constant across generations, and the proportion of genotypes in a population can be determined by the simple quadratic formula p2 + 2pq + q2 = 1, where p is the frequency of the dominant allele and q is the frequency of the recessive allele.
Given the following information, black fur (B) is dominant over white fur (b), and 22 percent of rabbits on an island have white fur (bb):
22 percent of rabbits have white fur, which means that the frequency of the recessive allele, q2, can be calculated as follows:
q2 = 0.22, so q = sqrt(0.22) = 0.47p = 1 - q = 1 - 0.47 = 0.53
The frequencies of the BB, Bb, and bb genotypes can now be calculated:
p2 = (0.53)2 = 0.28 (the frequency of BB)2
pq = 2(0.53)(0.47) = 0.50 (the frequency of Bb)
q2 = (0.47)2 = 0.22 (the frequency of bb)
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If chemical signals in the cytoplasm control the progression of a cell to the m phase.
The fusing of a cell in the G1 phase with a cell in the early M phase would most chromatin condensation in preparation of nuclear division in both cells if chemical cues in the cytoplasm.
What occurs in the M phase and how is it regulated?During the M phase, cell division takes place, consisting first of nuclear division (mitosis), then of cytoplasmic division (cytokinesis).
Do cytoplasmic molecular signals influence how the cell cycle behaves?Cell cycle regulation is done via molecular signals in the cytoplasm. The majority of these chemical signals are hydrophobic compounds, such as steroid hormones, that can pass through the cell membrane and connect to their receptors in the cytoplasm.
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The complete question is -
If chemical signals in the cytoplasm control the progression of a cell to the M phase of the cell cycle, then fusion of a cell in G1 with a cell in early M phase would most likely result in the ?
Most damage during hurricanes is due to:
Question 3 options:
High winds
Tornadoes created by the hurricane
Storm surge flooding
High pressure breaking windows
Answer:
Storm surge flooding. This can have the most impact on peoples homes and the community.
Explanation:
Hope it helps! =D
how many wisdom teeth does the average adult have?
The average adult has four wisdom teeth.
What are wisdom teeth?Wisdom teeth аre the molаrs occurring аt the posterior end of the dentition. When wisdom teeth erupt they mаy аffect other teeth becаuse of lаck of spаce to grow. Tooth extrаction is sometimes required to prevent tooth dаmаge аnd infection.
А wisdom tooth is the tooth right аt the bаck of the mouth. The most common аge to get wisdom teeth is between аge 17 аnd аge 19. It is however not unusuаl to hаve wisdom teeth erupt аnytime from аge 17-25. The аverаge аdult hаs four wisdom teeth, on in eаch corner of the mouth. Some people however cаn hаve fewer, аnd some people аre born with none.
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What are two importance of variation
It helps a species survive, it also helps us distinguish who is who, it helps creatures adapt to their surroundings as well as changes that occur in the environment, but it also helps a species emerge strong if natural selection favours it.
Is it important to have variety in our everyday lives?It benefits a population because it allows a small number of people to adapt to environmental changes, allowing the population to survive.
Different phenotypes can be introduced into an organism via genetic changes that modify gene activity or protein function. If a characteristic is beneficial and aids an individual's survival and reproduction, the genetic variation is more likely to be handed on to the following generation (a process known as natural selection).
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How does a substance across the cell membrane in diffusion?
A substance crosses the cell membrane in diffusion by passive transport.
Passive transport is a process of moving substances that does not require energy. This transport occurs due to differences in concentration between substances or solutions.
Diffusion is the movement of substances, whether solid, gas or liquid, with or without passing through a membrane, from an area of high concentration to a low concentration. The process of diffusion is a process of moving substances without requiring energy and is very important for the process of transporting substances in living bodies. For example, the process of taking oxygen in single-celled animals is taken from the environment through passive transport by diffusion because the concentration of O2 in the air is higher than inside the cell.
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If the female marked by the arrow (individual 18) has a child with a male carrier, what is the probability their child will have attached earlobes?
Answer:
50%
Explanation:
Woman = aa
Man = Aa
Child Possibilities
Aa, Aa, aa, aa
Free
Attatched
Which statement is TRUE about the molecule glucose?
•It is a simple carbohydrate that serves as the monomer for complex carbohydrates
•It is a simple protein that serves as the monomer for complex proteins
•It is a product of aerobic cellular respiration
•It is a reactant of photosynthesis
blood is a fluid connective tissue that contains cells as well as an extracellular matrix called ____
Answer:
Plasma
Explanation:
making blood unique among connective tissues because it is fluid.
Which of the following pedigrees most accurately represents a family with a history of Tay-Sachs disease
One that affects the entire second generation. An autosomal recessive allele of the HEXA gene causes Tay-Sachs disease, a rare hereditary condition.
Tay-Sachs disease: which gene is impacted?A genetic ailment called Tay-Sachs is handed down from parents to their offspring. It happens when a child receives a defective (mutated) copy of the HEXA gene from both parents. A lack of the enzyme beta-hexosaminidase A results from the genetic mutation that causes Tay-Sachs disease.
What Tay-Sachs disease variant is most prevalent?The brain and spinal cord's nerve cells are destroyed as a result of the genetic condition Tay-Sachs disease. Tay-Sachs disease in infants is the most prevalent kind.
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The complete question is -
Which pedigrees most closely resemble a family with a Tay-Sachs disease history?
If a photo of earth was taken 25 million years from now from space, would the landmasses appear the same as they currently are or different? why do you think this?.
The effects of weathering, erosion would cause them to appear different. A lot would change, especially throughout 25 million years, because as land would either weather away & otherwise shift in oceans or on land.
Do you believe that the landmasses of the Earth are still shifting?Even now, the continents are all still shifting. Seafloor spreading zones as well as enormous rift valleys are some of the most active tectonic sites. Molten rock rises from deep within the Earth during seafloor spreading, adding new seafloor (oceanic crust) towards the edges of the old.
What is the Earth a planet?Our home planet, Earth, is a world unto itself. Earth, this same third planet from the sun, is the only place inside the known universe where the presence of life has been confirmed. With a 3,959-mile radius, Earth is the fifth-largest planet within our solar system and the only one whose surface is known to contain liquid water.
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Which of the following provides molecular evidence that signal transduction pathways evolved early in the history of life?
Answer:
Which of the following provides molecular evidence that signal transduction pathways evolved early in the history of life? The molecular details of cell signaling are quite similar in organisms whose last common ancestor was a billion years ago.
Please help with completing this chart it dues tmr PLS
Green pod is the dominant trait, and yellow pod is the recessive trait for pod color in pea plants. What did Mendel discover in his first round of experiments when he crossed true breeding plants with green pods with true breeding plants with yellow pods?
A. All of the offspring had green pods, and the yellow pod trait seemed to disappear.
B. Half of the offspring had green pods, and the other half had yellow pods.
C. All of the offspring had spotted yellow and green pods.
D. One-fourth of the offspring had yellow pods, and three-fourths had green pods.
the answer is A because green is the dominant trait
The law of segregation states that every organism possesses a pair of?
Mendel's law of segregation states that individual alleles segregate during gametogenesis. Mendel crossed the True Breeding High Plant (TT) with the True Breeding Short Plant (TT). This cross (F1 generation) gave only large plants with the Tt genotype.
Mendel's law of segregation
Mendel's law of segregation states:
"During gamete formation, each gene segregates from each other, so that each gamete carries only one allele for each gene." The law of segregation is the second law of heredity. According to the law of segregation, only one of the two gene copies present in an organism is distributed to each gamete (egg or sperm cell) it produces, and the distribution of gene copies is random.
The law of segregation dictates that all diploid individuals have a pair of alleles (copies) for a particular trait. Each parent randomly passes one allele of her to its offspring, resulting in a diploid organism. Alleles containing dominant traits determine offspring phenotypes.
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What are the 4 steps of the phosphorus cycle?
Answer:
The four steps are
Explanation:
Steps of Phosphorus Cycle
Weathering.
Absorption by Plants.
Absorption by Animals.
Return to the Environment through Decomposition.
Are r-selected species short lived?
R-selected species are indeed short-lived.
Species whose populations are governed by their biotic potential are called r-selected species.
Biotic potential is defined to be the maximum reproductive capacity of a species under optimum environmental conditions. Environmental resistance, which includes any factor that holds back the increase in number of the population, restricts full expression of the biotic potential of a species.
The defining characteristic of r-selected species is the production of numerous small offspring, followed by exponential population growth. R-selected species mature quickly (thus require little or even no parental care), require short gestation periods, and are short-lived. Members of this group, unlike K-selected species, are capable of reproduction at a relatively young age, but many offspring die before they reach reproductive age.
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What is meant when we say salmon are considered anadromous
Anadromous fish are species of fish that migrate from the ocean to freshwater streams and rivers to spawn. Salmon are an example of an anadromous species, as they migrate from the ocean to freshwater streams to lay their eggs.
assembles some components of the cell membrane synthesizes lipids
The component of the cell membrane that synthesizes lipids is the Endoplasmic Reticulum.
How are cell membranes synthesized?Cells hаve extensive sets of intrаcellulаr membrаnes, which together compose the endomembrаne system. The endomembrаne system includes the endoplаsmic reticulum (ER), Golgi аppаrаtus, аnd lysosomes. Vesicles аlso аllow the exchаnge of membrаne components with а cell's plаsmа membrаne.
Membrаnes аnd their constituent proteins аre аssembled in the ER. This orgаnelle contаins the enzymes involved in lipid synthesis, аnd аs lipids аre mаnufаctured in the ER, they аre inserted into the orgаnelle's own membrаnes. This hаppens in pаrt becаuse the lipids аre too hydrophobic to dissolve into the cytoplаsm.
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What is it called when there are two identical alleles?
When an organism has two identical alleles for a particular gene, it is called homozygous for that gene.
Homozygous means that the two alleles of a gene are the same, and will express the same trait. For example, if an organism has two alleles for seed color in a plant, and both alleles are for the dominant trait of yellow, the organism will be homozygous for seed color and will produce yellow seeds.
It's worth noting that not all traits are determined by a single gene and that some traits are determined by multiple genes, in that case, homozygosity will be in all the genes involved in the trait.
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the extracellular matrix of bone contains many collagen fibers and ____
The extracellular matrix of bone contains many collagen fibers and Tissues.
Thus, Numerous collagen fibres and mineralized calcium salts, primarily in the form of hydroxyapatite crystals, are present in the extracellular matrix of bone.
The bone tissue is strengthened and rigidified by these mineralized elements. The mineralized matrix contributes to the bone's hardness and capacity to withstand compression, while the collagen fibres give flexibility and tensile strength.
Collagen and mineralized matrix work together to give bone its distinct mechanical characteristics.
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Bacteria are tremendously successful unicellular organisms, yet all large organisms are multicellular. Unicellular organisms cannot grow very large because the -.
Bacteria are unicellular organisms and multicellular. Unicellular organisms cannot grow very large because they only have a single cell.
What are bacteria?Bacteria are a group of single-celled microorganisms classified at the domain level. Together with the Archaea domain, bacteria are classified as prokaryotes. Bacterial cells have a specific shape, such as a ball, rod, or spiral, which is usually a few micrometers in size.
There are 2 sizes of bacteria, namely unicellular and multicellular organisms. Unicellular is an organism consisting of only one cell while multicellular is an organism consisting of many cells. Protists are also included in living things with eukaryotic cells which are meant to have a nuclear membrane.
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What are 2 other species concepts that can be used to identify species?
Answer:
Typological or Essentialist, Morphological, Phenetic
Explanation:
Match the neuron type with its function.
Drag statements on the right to match the left.
Sensory (afferent) neuron
Motor (efferent) neuron
Interneuron
Located in PSN; carry impulses away from the CNS
C-a Located in PNS; carry impulses toward the CNS
Located in the CNS: integrate sensory signals
Sensory neurons located in the PNS transmit impulses to the CNS.
Unipolar cell bodies of sensory neurons are located in the sensory ganglia and may lie along spinal roots or cranial nerves.
Sensory neurons are nerve cells that are activated by sensory input from the environment. For example, touching a hot surface with a fingertip fires sensory neurons.
Sensory nerves carry signals to the brain that help us touch, taste, smell, and see. Motor neurons carry signals to muscles and glands that aid movement and function.
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Which of the following best explains why coastal regions generally have more moderate air temperatures than inland regions of the same latitude?
The following that best explains why coastal regions generally have more moderate air temperatures than inland regions of the same latitude is the ocean has a moderating effect on the area.
Option A is correct.
What are coastal regions?Coastal regions are local administrative units (LAUs) that are bordering or close to a coastline.
It is a known fact that the water has a high specific heat capacity, no appreciable change is given in its temperature. In such a way, the ocean is considered as the world's largest water bath as it has 71% of the total earth and keeps coastal temperatures from high variations in the air temperature.
The ocean warms and cools more slowly than the atmosphere, that is why coastal weather tends to be more moderate than continental weather, with fewer hot and cold extremes.
Evaporation from the ocean, especially in the tropics, creates most rain clouds, influencing the location of wet and dry zones on land.
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Complete question:
Which of the following best explains why coastal regions generally have more moderate air temperatures than inland regions of the same latitude?
A.
The ocean has a moderating effect on the area.
B.
Most of the sunlight that reaches the ocean's surface is reflected.
C.
Coastal regions have a lower altitude.
D.
Heat energy is transferred from inland areas to coastal areas during the summer and from coastal areas to inland areas during the winter.
can someone help me please and i will give them Brainliest
T-T
Answer:
T = 38%
C = 12%
G = 12%
Explanation:
Adenine and thymine pair together
Since adenine is 38%, thymine(T) is also 38%
Cytosine and Guanine pair together
there are total are 100%
so, 100-38-38= 24
24/2= 12
so, Cytosine(C) and guanine(G) are 12% each
What materials/resources do you need to get rid of emerald ash borer?
Answer:Emerald ash borer is controlled by the use of certain systemic-types of insecticides that can be taken into the tree in some manner and will then move to areas where it can kill adults (leaves) or the flatheaded borer larvae (cambium). This is a different approach than is used for many other wood boring insects.
Explanation:
Explain many ways that humans can help ecosystems remain sustainable.
Answer:
Humans can help ecosystems remain sustainable in many ways. For example, we can reduce our consumption of resources and opt for eco-friendly alternatives. We can also minimize our use of plastic and purchase items made from recycled materials. Additionally, we can conserve energy by using energy-efficient appliances, taking shorter showers, and turning off the lights when leaving a room. Furthermore, we can reduce our carbon footprint by using public transportation, carpooling, or riding a bicycle instead of driving. Finally, we can help by participating in conservation efforts and volunteering with organizations that are working to protect and preserve the environment. By taking these simple steps, we can help ensure a more sustainable future for our planet.
Sensory input is delivered to the brain by:
A. afferent neurons
B. motor neurons
C. interneurons
D. efferent neurons
Sensory input is delivered to the brain by afferent neurons.
In general , Afferent or sensory neurons are responsible for collecting stimuli that are deceived by receptors throughout the body . Organs includes skin, eyes, ears, nose, tongue they are also responsible for receiving pain signals from the internal organs. These information are then transferred to the central nervous system, including brain and spinal cord.
Hence , we can say that Afferent neurons are sensory neurons, and they are nerve fibers responsible for bringing sensory information from the different sense organs towards the brain. These information can be in the form of special senses, such as vision, hearing, smell, or taste, as well as the sense of touch, pain, and temperature.
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SCIENTIFIC QUESTION:
does prairie rainfall affect the health of the following years calves
Rainfall can affect the health of calves in a number of ways, depending on the quantity and timing of the precipitation.
How does adequate rainfall help in the cattle?Adequate rainfall can provide the necessary moisture for the growth of vegetation, which in turn can provide the necessary nutrients for the cows to produce milk, which is important for the growth of their calves. Also, good rain helps to maintain the pasture's quality, which will help the cattle to have enough forage to eat during the grazing season.
How does prairie rainfall affect the health of calves?Heavy rainfall or rainfall at the wrong time of the year can lead to flooding or over saturation of pastures, which can lead to reduced forage quality and availability, making it harder for the cows to find enough food to support the growth of their calves. Additionally, heavy rain can lead to soil erosion and loss of topsoil, which can further reduce the quality of the pasture.
In addition, too much water in the pasture can lead to mud and standing water, which can cause problems for the cattle such as increased risk of infection and disease.
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An archer hoot arrow at a target. The ditance Xcm from the center of the target at which the arrow trike the target ha pdf, f, defined by
f(x)={1/10*e^-x/10 x>0
{0 otherwie
An arrow core 8 point if X<=2, 5 point if 2
An archer hoot arrow at a target with expected value E(X) = 6.7.
EXPECTED VALUE OF SCORE≤ X ≤ 6, and 2 point if X > 6.
What is the expected number of points scored by the archer?
The expected number of points scored by the archer can be calculated by multiplying the probability density function (pdf) of the distance X by the point value at each distance and then summing the results. This is known as the expected value.
E(X) = (1/10e⁻²/108) + (1/10e⁻⁶/10 - 1/10e⁻²/10)5 + (1 - 1/10e⁻⁶/10) × 2
Expected value E(X) = 6.7
The expected score is the sum of all possible scores multiplied by their respective probabilities. It can be calculated by integrating the product of the score function and the probability density function over the entire range of possible values of the variable.
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