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Biology
Posted 10 months ago
what is the gene frequency use the hardy-weinberg equation
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Answer from Sia
Posted 10 months ago
Answer
The gene frequency in a population can be calculated using the Hardy-Weinberg equation, which is p2+2pq+q2=1p^2 + 2pq + q^2 = 1, where pp and qq represent the frequency of the dominant and recessive alleles, respectively.
Solution
a
Define allele frequencies: In the Hardy-Weinberg equation, pp represents the frequency of the dominant allele, and qq represents the frequency of the recessive allele in the population
b
Hardy-Weinberg equation: The equation p2+2pq+q2=1p^2 + 2pq + q^2 = 1 describes the distribution of genotypes in a population that is not evolving
c
Calculate allele frequencies: If the frequencies of the genotypes are known, the allele frequencies can be calculated. For example, if the frequency of the homozygous dominant genotype (AAAA) is given as p2p^2, and the frequency of the homozygous recessive genotype (aaaa) is given as q2q^2, then pp can be calculated as the square root of the frequency of AAAA, and qq can be calculated as the square root of the frequency of aaaa. The frequency of the heterozygous genotype (AaAa) is represented as 2pq2pq
Key Concept
Hardy-Weinberg equilibrium
Explanation
The Hardy-Weinberg equation is a mathematical representation of the genetic equilibrium within a population where allele frequencies do not change from generation to generation in the absence of evolutionary influences.

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