How you think the allele frequencies are being affected by genetic drift in our simulation. Do...
How you think the allele frequencies are being affected by genetic drift in our simulation. Do you think this is speeding up or slowing down the rate of allele change? Why? Plot a graph of the H (p) allele frequency over generational time (show a minimum of three generations) showing what you would expect to happen if both natural selection and genetic drift are happening. Make sure to explain why you think this pattern would occur
Homework Answers
genetic drift can be explained as the change in the frequency of an allele in a given poluation due to random sampling of the organisms. the presence of different copies of alleles in the particular polulation determines the effect of genetic drift on those particular alleles. this is explained as; if there are less number of copies of the allele is present then the effect of genetic drift will be more. likewise; if there are large number of copies are present then the effect will be much smaller.
this is because; the presence of particular type of allele in the offspring is truly occur by chance. so, each type of allele will have equal chance to get into offsprings.
sometimes; if the number of copies of allele is less then after some generations there will be a chance of dissapperance of that allele. this is because; the individual with that allele should survive and reproduce. so, the allele frequency is being affected by genetic drift.
the rate of allele change is slowing down because of the disaapearance of different copies of alleles. why because as the different copies of alleles get dissappeared, there will be no rate of change of allele. so, it is slowing down.
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How you think the allele frequencies are being affected by
genetic drift in our simulation. Do...
Q3.3. Recall the prediction: Allele frequencies change by genetic drift equally quickly in large populations and...
Q3.3. Recall the prediction: Allele frequencies change by genetic drift equally quickly in large populations and in small populations. Is this correct? Why or why not? Yes. Genetic drift is sampling error, and sampling error is unpredictable, no matter the population size. Yes. Small populations experience more sampling error, but large populations have more reproduction overall, leading to similar rates of allele frequency change. O No. In the ferret experiments, allele frequencies changed more quickly in the small populations than...
7) A rare dominant genetic disorder has an allele frequency of 0.00002. It is estimated to...
7) A rare dominant genetic disorder has an allele frequency of 0.00002. It is estimated to reduce the fitness of affected individuals by 50%. Under mutation-selection balance affecting a dominant, the mutation rate is predicted to be about half the equilibrium allele frequency, or 0.00001. We’ll assume this is the case here. A) What is the frequency of affected individuals? (You could calculate an exact answer, but try getting a simple approximation using the fact that homozygotes for the mutant...
7) A rare dominant genetic disorder has an allele frequency of 0.00002. It is estimated to...
7) A rare dominant genetic disorder has an allele frequency of 0.00002. It is estimated to reduce the fitness of affected individuals by 50%. Under mutation-selection balance affecting a dominant, the mutation rate is predicted to be about half the equilibrium allele frequency, or 0.00001. We’ll assume this is the case here. A) What is the frequency of affected individuals? (You could calculate an exact answer, but try getting a simple approximation using the fact that homozygotes for the mutant...
In our simulation of sexual selection, what is the allele frequency of "B" and "b" from generation 1 to 3? what is the trend of each allele? what do you think causes the change? 4...
In our simulation of sexual selection, what is the
allele frequency of "B" and "b" from generation 1 to 3?
what is the trend of each allele?
what do you think causes the change?
4 in le Pe male 12 3 4 38 21 0 5 3 bb 4 3 3 y 10 166 Exercise 12 jEvolution: Lab Report
4 in le Pe male 12 3 4 38 21 0 5 3 bb 4 3 3 y 10 166 Exercise...
For the four evolutionary processes below, indicate: how they affect allele and genotype frequencies within a...
For the four evolutionary processes below, indicate: how they affect allele and genotype frequencies within a population, whether or not these effects are random, and how they affect differentiation between populations. Number your answers as indicated in the table below to indicate which part of this question you are answering: Process Within-population allele & genotype frequencies Random? Y/N Genetic differences between populations #1 Natural Selection Genetic Drift Mutation #2 #5 #6 #7 #9 #10 #11 #3 Migration between populations #4...
Partll - Predicting Frequency of CCR5-A32 One interesting early finding about CCRS is that the frequency...
Partll - Predicting Frequency of CCR5-A32 One interesting early finding about CCRS is that the frequency of CCR5-432 varies among human different parts of the world. Many populations have no or almost no ocurrence o CRS-432 in these or more, in that 16% of CR5 alleles in these populations are CCRS-432Limborska et al, 2002). Some research sug- gests that the worldwide distribution of CCR5-432 is not random or due solely to genetic drift (Galvani, 2005). Instead. may have reached higher...
Darwinian evolution means that the gene pool is changed. Do you think the human race is...
Darwinian evolution means that the gene pool is changed. Do you think the human race is continuing to evolve in a Darwinian, genetic sense? Are the genes of our species changing? Do not just write "yes" or "no," but explain why you think so. In addition, include in your explanation of how the mechanisms of evolution, such as natural selection, would be at play.
Refer to the figure below. You are studying a remote island before and after a volcanic...
Refer to the figure below. You are studying a remote island
before and after a volcanic eruption. Data at time 1 was collected
one month before the eruption, and data at time 2 was collected one
month after the eruption. All of the species on the island are
endemic. The island is 100 km across. Species A and B (the two
snail species) generally only move a distance of 2 m a day. Species
C (the bird) often covers 20...
Can anyone help me with these questions please? Thanks. 1. How do the allele frequencies compare...
Can anyone help me with these questions please? Thanks. 1. How do the allele frequencies compare across generations? Do they change much or do they remain fairly constant? Briefly explain why this might be, and also briefly explain how different the pattern would be if the population were much larger. 2. In generation 3, strong assortative mating was imposed. Using data for the whole class, evaluate the hypothesis that generation 3 was in HWE using statistical analysis. Discuss the effects...
Which of the following statements regarding the Hardy-Weinberg Equation is TRUE? Answers: It can only be u...
Which of the following statements regarding the Hardy-Weinberg Equation is TRUE? Answers: It can only be used when allele and genotype frequencies remain constant across generations in a population It can only be used when allele and genotype frequencies change across generations in a population It has no assumptions It mathematically shows how recessive alleles in a population decrease over time It reveals when allele frequencies change over time in a population Assuming Hardy-Weinberg Equilibrium, what percentage of individuals in...
Q3.3. Recall the prediction: Allele frequencies change by genetic drift equally quickly in large populations and in small populations. Is this correct? Why or why not? Yes. Genetic drift is sampling error, and sampling error is unpredictable, no matter the population size. Yes. Small populations experience more sampling error, but large populations have more reproduction overall, leading to similar rates of allele frequency change. O No. In the ferret experiments, allele frequencies changed more quickly in the small populations than...
In our simulation of sexual selection, what is the
allele frequency of "B" and "b" from generation 1 to 3?
what is the trend of each allele?
what do you think causes the change?
4 in le Pe male 12 3 4 38 21 0 5 3 bb 4 3 3 y 10 166 Exercise 12 jEvolution: Lab Report
4 in le Pe male 12 3 4 38 21 0 5 3 bb 4 3 3 y 10 166 Exercise...
For the four evolutionary processes below, indicate: how they affect allele and genotype frequencies within a population, whether or not these effects are random, and how they affect differentiation between populations. Number your answers as indicated in the table below to indicate which part of this question you are answering: Process Within-population allele & genotype frequencies Random? Y/N Genetic differences between populations #1 Natural Selection Genetic Drift Mutation #2 #5 #6 #7 #9 #10 #11 #3 Migration between populations #4...
Partll - Predicting Frequency of CCR5-A32 One interesting early finding about CCRS is that the frequency of CCR5-432 varies among human different parts of the world. Many populations have no or almost no ocurrence o CRS-432 in these or more, in that 16% of CR5 alleles in these populations are CCRS-432Limborska et al, 2002). Some research sug- gests that the worldwide distribution of CCR5-432 is not random or due solely to genetic drift (Galvani, 2005). Instead. may have reached higher...
Refer to the figure below. You are studying a remote island
before and after a volcanic eruption. Data at time 1 was collected
one month before the eruption, and data at time 2 was collected one
month after the eruption. All of the species on the island are
endemic. The island is 100 km across. Species A and B (the two
snail species) generally only move a distance of 2 m a day. Species
C (the bird) often covers 20...
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