Evolution - Genetic Variation - Evolution and the Hardy Weinberg Equilibrium

9 important questions on Evolution - Genetic Variation - Evolution and the Hardy Weinberg Equilibrium

What does the Hardy–Weinberg Equilibrium describe?

A population in which allele and genotype frequencies remain constant over generations.

In HWE, what does 2pq represent?

The frequency of heterozygotes in the population.

If p=0.7, what is q?

q = 0.3 (since p + q = 1).
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What is the purpose of the Hardy–Weinberg Equilibrium?

Serves as a null model to detect if evolution is occurring.

What is meant by allele frequency in genetics?

Proportion of a specific allele in the gene pool.

How is genetic drift defined?

Random change in allele frequencies, more impactful in small populations.

What is gene flow?

Movement of alleles between populations.

How many genotype frequencies are described in HWE?

Three: AA, Aa, aa.

What do deviations from HWE indicate?

Evidence of evolutionary forces acting on the population.

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