Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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- 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…arrow_forwarda. Population - Parent Generation i) What is the blue phenotype frequency? ii) What is the Aa genotype frequency? iii) What is the A allele frequency? b. Population 2 - Offspring of parent generation above i) What is the blue phenotype frequency? ii) What is the Aa genotype frequency? iii) What is the A allele frequency? c. Is this population evolving? Please explain why or why not. AA AA Aa AA AA Aa Aa Aa Aa Aa Aa Aa aa aa aa aa Aa Aaarrow_forwardA founder population of interesting creatures is established, and the average probability of identity by descent is calculated for each subsequent generation as follows: Generation F 1 0.05 2 0.0975 3 0.142625 4 0.2283625 a) What are the effective population sizes Ne for each Generation 1 through 4, relative to Generation 0 (the founder population)? b) What is the effective population size of Generation 4 relative to Generation 3? c) Is there any evidence for changes in population size after the founder event, and if so, at which generation did the size change in the number of breeding individuals occur?arrow_forward
- (22) A 35- year old woman and her 35-year old husband come to the physician for genetic counselling after their son is diagnosed with a rare metabolic disease. The carrier frequency of this disorder in the general population is 1 of 100. Assuming Hardy-Weinberg equilibrum, which of the following bst represents the incidence of this condition in the general population (A) 1 of 4000 (B) 1 of 10000 (c) 1 of 16000 (D) 1 of 24000 (E) 1 of 40000arrow_forwardApproximately 1% of the magpies (Pica pica) in a hypothetical populations are albino. Assume that the albino phenotype is due to a recessive allele and that this population is in HardyWeinberg proportions at this locus. (a) What is the estimated frequency of the albino allele in this population? (b) What is the probability that the first progeny born to a mating between an albino and a normal magpie from this population will be albino? (Hint: what is the probability that the normal magpie is heterozygous, given the allele frequencies in this population?)arrow_forwardDespite their excellent hygienic practices, the Kelatavicla lab experiences a devastating bacterial infection in their mouse population in 2012. Given the conditions in column B, predict what will happen to the frequency of the R allele over the years (increase, decrease, or remain the same) if the outbreak is not contained?arrow_forward
- Considering the Hardy-Weinberg theorem’s assumptions, which of the following statements is NOT correct? (Recall that there are certain assumptions that must be true in order for the Hardy-Weinberg theorem to accurately predict genotype ratios in the next generation.)a) The population must be very large so there random genetic drift will not occur.b) No natural selection can occur.c) Mating must be random.d) Individuals must migrate into and out of the population so that gene flow will occur.e) Mutations must not occur.arrow_forwardSuppose that frequency of a recessive phenotype, white fur color, is about 0.16 (16%) in the local squirrel population. a) What is the frequency of the recessive allele (w)? b) What is the frequency of the dominant allele (W)? c) What percentage of the local squirrel population are not white, but are carriers of the recessive white allele? A/ A/arrow_forward1) In smurfs, blue tails are dominant to red tails. You observe the following distribution in a smurf population: 214 blue tailed individuals genotype BB 37 blue tailed individuals genotype Bb 19 red tailed individuals genotype bb Is this population in HW equilibrium for the blue tail gene? Show your work. If the population is not in HW equilibrium, what might me causing the disequilibrium?arrow_forward
- Consider an autosomal locus with alleles A and a. If the the allele frequencies are as follows Freq(A) = 0.4, Freq(a) = 0.6. , then what is the predicted frequency of heterozygous Aa individuals, assuming the population is in Hardy-Weinberg equilibrium? Freq(Aa) = ? Enter a number between 0 and 1, inclusive, for example 0.33arrow_forwardHow do I find the frequency of alleles in this population? Please explain how to solve this problem.arrow_forward
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