Respuesta :
The predominant allelic frequency is the allelic frequency of the recessive gene, the genotypic frequency of homozygous dominants (p2), genotypic frequency of homozygous recessives (q2), 2pq the genotypic frequency of heterozygotes
These allelic frequencies add up to 1, so p + q = 1. Likewise, the genotypic frequencies add up to 1, so p2 + 2pq + q2 = 1.
q² = 600/680 = 0.882
We can determine the recessive allele if q2 represents the homozygous recessive genotypic frequency. by removing the equation, frequency
q= √0.882 = 0.939
We will receive both homozygous and heterozygous phenotypic frequencies.
p+ q =1
p=0.061
Knowing that 2pq is the heterozygous genotypic frequency, we can quickly compute it by substituting the following terms for:
2pq=2 x 0.061 x 0.939 = 0.115.
Directional selection increases the percentage of people who have one of severe phenotypic characteristics This trait makes people more likely to survive in particular circumstances. Additionally, genetic drift might be in play. Allelic frequencies in a population shift over many generations due to genetic drift, an evolutionary mechanism. Its impacts are more difficult to see in a small population.
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