
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Given a population of 100 individuals where 15 are AA, 25 are Aa, and 60 are aa, what is the frequency of allele "A"and the frequency of allele "a"
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- Fur colour in mice is a single gene trait controlled by two alleles. In a population of 75 mice, 21 are homozygous dominant, 37 are heterozygous dominant, and 17 are homozygous recessive. What is the frequency of the dominant allele in the population? Show all work and record your answer as a value between 0 and 1 rounded to two decimal places.arrow_forwardIf the frequency of the dominant allele is 0.4, what is the frequency of the recessive allele?arrow_forwardIn a certain breeding population, it is known for certain that only 9.8% of the individuals are "true-breeding" for the dominant phenotype. What would be the predicted frequency of individuals that are "true-breeding" for the recessive phenotype?arrow_forward
- A given autosomal locus has three possible alleles (A1, A2, and A3). Assuming that the numbers of individuals with the six possible genotypes are as follows, what would be the frequency of the A1 allele in the population? A1A1 = 30 A1A2 = 27 A2A2 = 12 A1A3 = 17 A2A3 = 10 A3A3 = 4 What would be the frequency of the A1A2 genotype? Assume the population is under Hardy-Weinberg equilibrium. A. 0.03 B. 0.107 C. 0.27 D. 0.317 E. 0.09 F. 0.182arrow_forwardA population is made up of individuals where 77 have the A1A1 genotype, 65 have the A1 A2 genotype, and 123 have the A2A2 genotype. What is the allele frequency of A1? Answer to 2 decimal places.arrow_forwardThe Valyrian elders are doing projections about the future and want to calculate the frequencies of certain genotypes in the next generation. They are only interested in figuring out what proportion of the next generation will bear the signature Valyrian silver hair phenotype. (Assume the allele frequencies remain unchanged from the first part of this question.) A-What will the frequency of the AA genotype be? b-What will the frequency of the Aa genotype be?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_forwardFor a 2 allele locus, p=0.7. If the population consists of 100 individuals, how many are homozygous for the q allele?arrow_forwardThe ability to taste the chemical compound PTC (phenylthiocarbamide) is coded for by a single gene with two alleles. Let T stand for the allele that codes for tasting and t for the allele that codes for non-tasting. This allele exhibits complete dominance, such that heterozygotes can also taste PTC. Suppose that out of a population of 100 students, 70 are tasters. Estimate the allele frequencies and the frequencies of TT, Tt and tt genotypes in the population. Show all your work, and clearly state your logic and any assumptions you make in estimating the frequenciesarrow_forward
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