What is the importance of the Hardy-Weinberg principle in evolutionary biology?
Evolutionary Implications of the Hardy–Weinberg Theorem The Hardy–Weinberg Theorem demonstrates that Mendelian loci segregating for multiple alleles in diploid populations will retain predictable levels of genetic variation in the absence of forces that change allele frequencies.
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The Hardy–Weinberg equation is a mathematical equation that can be used to calculate the genetic variation of a population at equilibrium. If the p and q allele frequencies are known, then the frequencies of the three genotypes may be calculated using the Hardy–Weinberg equation. …
What do the terms in the Hardy-Weinberg equation represent?
The terms of this equation are defined as follows: p = the frequency of the dominant allele in a population. q = the frequency of the recessive allele in a population. 2pq = the frequency of the heterozygous dominant genotype.
In this equation, p² is the predicted frequency of homozygous dominant (AA) people in a population, 2pq is the predicted frequency of heterozygous (Aa) people, and q² is the predicted frequency of homozygous recessive (aa) ones.
The Hardy–Weinberg equilibrium is a principle stating that the genetic variation in a population will remain constant from one generation to the next in the absence of disturbing factors.
FAQ
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