In a population of 1000 individuals, 360 belong to genotype AA, 480 to Aa and the remaining 160 to aa. Based on this data, the frequency of allele A in the population is

Correct answer: C. 0.6 (c) : According to Hardy Weinberg principle p^2+2 pq+q^2=1 ;(p+q)^2=1 (AA) p^2=360 out of 1000 individuals or p^2=0.36 Therefore, p=0.6 .

AIIMS 201826 May

Exam: AIIMS
Year: 2018
Date: 26 May
Subject: Zoology
Chapter: Organisms and Populations

AIIMS 2018 · 26 May · Zoology · Organisms and Populations

In a population of 1000 individuals, 360 belong to genotype AA, 480...

In a population of 1000 individuals, 360 belong to genotype AA, 480 to

\mathrm{Aa}

and the remaining 160 to aa. Based on this data, the frequency of allele

A

in the population is

Options

A $0.4$
B $0.5$
C $0.6$
D $0.7$

Correct answer

C. $0.6$

Step-by-step solution

\mathrm{p}^2+2 \mathrm{pq}+\mathrm{q}^2=1 ;(\mathrm{p}+\mathrm{q})^2=1

(AA)

\mathrm{p}^2=360

out of 1000 individuals or

\mathrm{p}^2=0.36

Therefore,

\mathrm{p}=0.6

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