What would happen if an allele under positive selection was linked to a deleterious mutation?(Do not...
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What would happen if an allele under positive selection was linked
to a deleterious mutation?(Do not...
If selection favours the dominant allele and mutation is creating recessive alleles at a rate of...
If selection favours the dominant allele and mutation is creating recessive alleles at a rate of 0.006 per generation in balance with the rate at which selection is eliminating them, if the frequency of the recessive allele is 0.03 what is the rate of selection in this balanced state (round to the nearest 0.001)?
Using ppopulus, choose the mutation and selection model under Natural Selection. Do things change when the...
Using ppopulus, choose the mutation and selection model under Natural Selection. Do things change when the mutation rate is high and you increase the selection (s)?
1. We're considering a fully recessive, deleterious (harmful) mutation (A2) at an allele frequency of q...
1. We're considering a fully recessive, deleterious (harmful) mutation (A2) at an allele frequency of q = 0.01 (one percent) in a large outbreeding population. Thus p(A1) = 0.99.1. What is the population frequency of A2A2 homozygotes? 2. What is the population frequency of A1A2 heterozygotes? 3. Of all the A2 alleles in the population, what proportion are in heterozygotes? 4. And what proportion are in homozygotes? 5. Now, your country starts a policy of sterilizing all the affected individuals...
a. What would happen if there was a mutation that caused APC to always be phosphorylated?...
a. What would happen if there was a mutation that caused APC to always be phosphorylated? (2 points).
8. In general, if an allele gave an individual a survival advantage, what would happen to...
8. In general, if an allele gave an individual a survival advantage, what would happen to its frequency over time? (Increase or decrease) Explain. (2 marks) 9. In general, if an allele gave an individual a survival disadvantage, what would happen to its frequency over time? (Increase or decrease) Explain. (2 marks)
Of the following evolutionary forces; crossing over, directional selection, mutation, speciation, stabilizing selection, sex, gene flow...
Of the following evolutionary forces; crossing over, directional selection, mutation, speciation, stabilizing selection, sex, gene flow and genetic drift which promote or maintain genetic variation within a population? a) crossing over only b) directional selection and sex c) directional selection, mutation, and speciation d) crossing over, mutation, sex, and gene flow e) only sex Of the following evolutionary forces, crossing over, directional selection, mutation, speciation, stabilizing selection, sex, gene flow and genetic drift which promote genetic differentiation (divergence) among populations?...
If the mutation is in isocitrate dehydrogenase, what would you expect to happen to the levels...
If the mutation is in isocitrate dehydrogenase, what would you expect to happen to the levels of : (increase/decrease) isocitrate a- ketoglutarate glyoxylate
The forward and reverse mutation rates at a certain locus in E. coli are A to a 5 x 10-5 a to A 3 x 10-3 a. What are the...
The forward and reverse mutation rates at a certain locus in E. coli are A to a 5 x 10-5 a to A 3 x 10-3 a. What are the expected allelic frequencies (p^ and q^) if no other processes are involved? b. If allele “a” is a deleterious recessive, will natural selection be able to easily eliminate it from this E. coli population? Why or why not?
Given a diploid sexual population of mammals where mutation, selection and migration do not occur, and...
Given a diploid sexual population of mammals where mutation, selection and migration do not occur, and where these individuals mate at random within a population, First explain what effective population size means relative to a census population size. Then, if a population of 200 individuals is composed of 140 females and only 60 males, what is its effective population size (Ne) across the following parts of a genome due only to this difference in the proportion of each gender: At...
what do you think will happen to the variety of colours as the allele frequency of...
what do you think will happen to the variety of colours as the allele frequency of the dominant allele at each of the ambiguous loci increases? We will begin to see fewer individuals with the homozygous recessive genotypes and therefore the variety of colours will decrease. We will the same number of individuals with the homozygous recessive genotypes and therefore the variety of colours will remain the same. We will begin to see more individuals with the homozygous recessive genotypes...
a. What would happen if there was a mutation that caused APC to always be phosphorylated? (2 points).
8. In general, if an allele gave an individual a survival advantage, what would happen to its frequency over time? (Increase or decrease) Explain. (2 marks) 9. In general, if an allele gave an individual a survival disadvantage, what would happen to its frequency over time? (Increase or decrease) Explain. (2 marks)
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