e Cytokinesis opulation what is the frequency of\"a\" allele? the frequency of\"

Question

e Cytokinesis opulation what is the frequency of"a" allele? the frequency of"A-allele is 10% in a a. 1% b.9% ?. 1056 d.90% e. Can't be determined of individual with 26, in a population, 16% of the individuals are "aa", what would be the frequency "AA"? a.496 b.16% c.36% d.24% e, 48% 27. The allele for free carlobe is dominant over the allele for attached earlobe. In a population of 1,000 individuals 99% show the dominant phe heterozygous for the trait? a. 990 b. 900 c. 180 d. 90 type How many individuals are expected to be e. 18 28. Widow's peak is controled by a dominant allele (W) and continuous hairline is controlled by a recessive allele (w). In a population, 220 people are homozygous for widow's peak, 130 people have a continuous hairline, and 150 people are heterozygous. What is the frequency of "w? a.22% b. 30% 41% ?. d.5996 e. None of these 29. In a population, the frequency otP is 40%, frequency of Is ?s 30% what is the frequency of i? 10% a, b, 2096 c.30% d, 40% e. Can't be determined 30. Which of the followings can change the allele frequencies in a population? a. No random mating b. No natural selection c. No migration d. No mutation e. Small population 31. Polygenic traits are controlled by a single pair of alleles more than one pair of alleles epistatic alleles a. b. c. d. interactive alleles

Explanation / Answer

Answer:

25). d. 90%

Explanation:

p+q = 1 or 100%

p= dominant allele frequency

q= recessive allele frequency

26). c. 36%

Explanation:

frequency of aa= 16% = 0.16

frequency of a = 0.4

p+q=1

p = 1-q = 1-0.4 = 0.6

The frequency of dominant allele (A) = 0.6

AA = 0.6 * 0.6 = 0.36 = 36%

27). c. 180

Explanation:

Recessive trait frequency (qq)= 1% = 1/100 * 1000 = 10/1000 = 0.01

The frequency of recessive allele(q) = 0.1

as p+q = 1

p = 0.9

The frequency of heterozygotes = 2pq = 2 * 0.9 * 0.1 = 0.18 = 18%

18% out of 1000 = 180

28). c. 41%

29). c. 30%

Explanation = p+q+r = 1 or 100%

30). e. Small population

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