janyiareese12
18.02.2020 •
Biology
For a given gene in a population, there are two alleles, A and a. The frequency of the dominant homozygote, AA, is 0.50; the frequency of the heterozygote, Aa, is 0.20; and the frequency of the recessive homozygote, aa, is 0.30. What is the frequency of the recessive a allele?
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Ответ:
0.548
Explanation:
In a population the genotype frequency =p2+2pq+q2=1
gene frequency =p+q=1
Where p is the homozygous allele(A)
q is the recessive allele(a)
Pq represent the heterozygote allele
Given that p2=0.50
2pq=0.20
q2=0.30
To get q=√0.30
q=0.548
The gene frequency for homozgous reccessive allele a is 0.548
Ответ: