Waec Model Questions Vol1 2021 Biology Question 2
Practice objective / multiple choice question 2 from the 2021 Waec Model Questions Vol1 Biology examination.
In a beetle population two alleles, A and a, determine colour. After one generation of selection the observed genotype frequencies are AA = 0.36, Aa = 0.48 and aa = 0.16. Selection acted only on the AA genotype, reducing its fitness to 0.5, while the other genotypes have fitness 1. What was the frequency of allele A before selection?
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This is Waec Model Questions Vol1 2021 Biology Question 2. It is one of the objective questions from the 2021 Waec Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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