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Under Hardy-Weinberg equilibrium, if a population exists that contains 2 alleles only, each has a respective frequency:p=0.3q=0.7then, after 10 (or 20, or 50, or 100) generations, the resulting frequencies will be?

Question

Under Hardy-Weinberg equilibrium, if a population exists that contains 2 alleles only, each has a respective frequency:

p=0.3

q=0.7
then, after 10 (or 20, or 50, or 100) generations, the resulting frequencies will be?

check_circleAnswer
Step 1

If a population exists that contains 2 alleles only, each has a respective frequency: p=0.3 and q=0.7 then, after 10 (or 20, or 50, or 100) generations, the resulting frequencies under Hardy-Weinberg equilibrium to be calculated. 

Step 2

Hardy-Weinberg equilibrium was proposed by G.H. Hardy and Wilhelm Weinberg which states that the allele and the genotype frequencies will remain constant from generation to generation in the absence of the evolutionary forces. These forces mainly include natural selection, gene flow, mutation, meiotic drive, genetic drift and others. So, when a population that is said to exist in Hardy-Weinberg equilibrium for a gene, the allele frequencies will remain the same across generations.

Step 3

The frequency of genotypes in a population can be represented by p2 + 2pq + q2 = 1, where p2 represents the frequency of the homozygous dominant genotype, q2 repres...

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Science

Biology

Evolution and Adaptation

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