What do you expect to happen to the frequnecy of the F allele after 1000's of generations It will remain the same as in the initial population it will increase until it becomes fixed (a frequency of 1.0) it will be lost from the population totally (frequency of 0.0) it will approach a frequency of 1.0 but never quite reach that level. There is not enough information to anwer this question. Type here to search PrtSc InsertDelete F10 F11 F12 F9 F6 F7 F5
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- Let’s suppose the mutation rate for converting a B allele into a ballele is 10−4 per generation. The current allele frequencies areB = 0.6 and b = 0.4. How long will it take for the allelefrequencies to equal each other, assuming that no genetic drifttakes place?Which of the following statements describes an example of genetic drift?a. Allele g for fat production increases in a small population because birds with more bodyfat have higher survivorship in a harsh winter.b. Random mutation increases the frequency of allele A in one population but not inanother.c. Allele R reaches a frequency of 1.0 because individuals with genotype rr are sterile.d. Allele m is lost when a virus kills all but a few individuals and just by chance, none ofthe survivors possess allele m.A rare disease which is due to a recessive allele (a) that is lethal when homozygous, occurs within a specificpopulation at a frequency of one in a million. How many individuals in a town with a population of 14,000can be expected to carry this allele (i.e. are heterozygous)? Assume that the population is in H-W equilibrium. basic formula p2+2pq+q2=1 and p+q=1 show steps
- A group of four birds flies to a new location and starts a newcolony. Three of the birds are homozygous AA, and one bird isheterozygous Aa.A. What is the probability that the a allele will become fixed in thepopulation via genetic drift?B. If fixation of the a allele occurs, how long will it take?C. How will the growth of the population, from generation togeneration, affect the answers to parts A and B? Explain.Imagine a population of raccoons in which food-washing behaviour is controlled by the W locus. WW individuals wash their food thoroughly before eating; Ww individuals wash their food less thoroughly; and ww individuals never wash their food. After observing 1000 raccoons, you count 300 WW, 200 Ww and 500 ww individuals. What is the frequency of the w allele for this population? A. 0.5 B. 0.6 C. 0.7 D. Because the population is not in Hardy-Weinberg equilibrium at this locus, it is impossible to calculate the frequency of allele w.There is an outbred population of mice living in a farmer’s field. Mutations occur at a genecalled nurseryrhyme that cause a totally recessive form of blindness (h=0). These blind micedo not survive to reproduce because the farmer’s wife cuts off their tail (and other bits) witha carving knife. Surveying the field for baby mice you find that 3/10,000 mice are blind.A. Assuming that the population mates at random, what is the mutation rate of blindnesscausing alleles?B. Following more careful study you now find that there is actually a 20% reduction in theviability of heterozygotes for these mutations. What would you now estimate as themutation rate for this gene?
- From the same population of dragons. Two alleles B and encoding for phenotypes blue and purple scales, P is dominant over B. You have a population of 345 individuals. PP = 100; BP = 90 , and BB = 145 . What is the frequency of the B allele? Please use and round to four decimal points.In what way can the frequency of a genotype change over time when genetic drift is theonly agent affecting its evolution? Refer to your Figure 2 at update 500 (i.e. the flrxgenotype histogram)In a certain population of frogs, 120 are green, 60 arebrownish green, and 20 are brown. The allele forbrown is denoted GB, while that for green is GG, andthese two alleles are incompletely dominant.a. What are the genotype frequencies in thepopulation?b. What are the allele frequencies of GBand GG inthis population?c. What are the expected frequencies of the genotypes if the population is at Hardy-Weinbergequilibrium?
- In a large population of squirrels, 0.14 have the recessive genetic condition nlourianfilindr (fictional). Assume the Hardy-Weinberg distribution. What is the frequency of the dominant allele in this population? Giver your answer with two digits parts the decimal point.A population consist of 7 mice. For the coat trait, there are only two alleles: brown B and white (b). BB and Bb mice are brown; bb mice are white. In the population's gene pool, there are 7 white alleles(b). a) what is the frequency of the brown allel in the population? b) what do you predict the frequency of the bb genotype will be in the next generation if no evolution takes place in the population?a) Suppose the frequency of the recessive allele a for the recessive condition albinism is 0.2 Assume the Hardy-Weinberg distribution. ai) What is the frequency of albinism in the general population? aii) What fraction of the population are carriers? b) In a large population of mice, 0.58 have the recessive genetic condition rsiancer (fictional). Assume the Hardy-Weinberg distribution. What fraction of mice are carriers? Giver your answer with two digits parts the decimal point. c) In a large population of squirrels, 0.14 have the recessive genetic condition nlourianfilindr (fictional). Assume the Hardy-Weinberg distribution. What is the frequency of the dominant allele in this population? Give your answer with two digits parts the decimal point. d) In a large population of chimpanzees, there is a recessive genetic condition telactalase (fictional). Assume the Hardy-Weinberg distribution. If the frequency of dominant allele is 0.77 then what fraction of the population has…