# Quick Answer: What is the Hardy Weinberg equilibrium used for?

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Hardy-Weinberg Equilibrium (HWE) is used to estimate the number of homozygous and heterozygous variant carriers based on its allele frequency in populations that are not evolving.

## Why is the Hardy-Weinberg equilibrium useful?

Importance: The Hardy-Weinberg model enables us to compare a population’s actual genetic structure over time with the genetic structure we would expect if the population were in Hardy-Weinberg equilibrium (i.e., not evolving).

## What is the Hardy-Weinberg principle and what is it used for?

The Hardy-Weinberg equation is a mathematical equation that can be used to calculate the genetic variation of a population at equilibrium. In 1908, G. H. Hardy and Wilhelm Weinberg independently described a basic principle of population genetics, which is now named the Hardy-Weinberg equation.

## What is the purpose of Hardy-Weinberg equilibrium quizlet?

Hardy-Weinberg equilibrium: the condition in which both allele and genotype frequencies in a population remain constant from generation to generation unless specific disturbances occur. -A population in Hardy-Weinburg equilibrium is not changing genetically, not evolving.

## What happens if the Hardy-Weinberg equilibrium is violated?

Eggs and sperm collide at the same frequencies as the actual frequencies of p and q. When this assumption is violated and by chance some individuals contribute more alleles than others to the next generation, allele frequencies may change. This mechanism of allele change is called genetic drift.

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## Why is there a 2 in 2pq?

The term p2 represents the frequency of dominant homozygotes (AA) and the term q2 represents the frequency of recessive homozygotes (aa). p represents the allele frequency of allele A, and q represents the allele frequency of the allele a.

## Does inbreeding violate Hardy-Weinberg?

Inbreeding – How does it affect a population? In a small population, the sampling of gametes and fertilization to create zygotes causes random error in allele frequencies. This results in a deviation from the Hardy-Weinberg Equilibrium. This deviation is larger at small sample sizes and smaller at large sample sizes.

## What are the factors affecting the Hardy-Weinberg equilibrium?

Among the five factors that are known to affect Hardy Weinberg equilibrium, three factors are gene flow, genetic drift, and genetic recombination, Mutation, and Natural Selection are the other two factors.

## Why is Hardy Weinberg not realistic?

Explanation: All of the answer choices are assumptions made when considering Hardy-Weinberg equilibrium. Thus, the model is not very realistic in nature, since these conditions are rarely met. Also, no natural selection is assumed to occur. 