OBJECTIVE LIFE SCIENCE
EVOLUTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In a population of 1000 people, 90 have blue eyes, which are recessive. What percent of the population is heterozygous for brown eyes?
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3
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9
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21
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42
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Explanation:
Detailed explanation-1: -19. (D) Of the total population, 9% have blue eyes (90 out of 1000), so q²=0.09 and q=0.3. Therefore, p=0.7 and the frequency of hybrid brown = 2pq=42%.
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