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lksocossiodks8855
04.08.2019 •
Biology
If you examine a population for a particular gene where b represents the dominant allele and b represents the recessive allele, you find that the allele frequencies for this gene are p = 0.3 and q = 0.7. if this population is not evolving, what would be the frequency of the heterozygous genotype? a. 0.09 b. 0.21 c. 0.30 d. 0.42 e. 0.49
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Ответ:
Assuming Hardy-Weinberg equilibrium
B=dominant, P(B)=0.3
b=recessive, P(b)=0.7
Genotypes are given by:
(P(B)+P(b))^2=(0.3+0.7)^2=0.3^2+2*0.3*0.7+0.7^2=0.09+0.42+0.49=1
P(BB)+P(Bb)+P(bb)=1
Which means
P(BB)=0.09 (homozygous dominant genotype)
P(Bb)=0.42 (heterozygous genotype)
P(bb)=0.49 (homozygous recessive genotype)
Ответ:
explanation:
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