# Quick Answer: What represents heterozygotes in the Hardy Weinberg principle?

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## What is the frequency of heterozygotes in Hardy Weinberg?

Answer: The frequency of heterozygous individuals is equal to 2pq. In this case, 2pq equals 0.32, which means that the frequency of individuals heterozygous for this gene is equal to 32% (i.e. 2 (0.8)(0.2) = 0.32).

## What are the 5 principles of the Hardy-Weinberg equilibrium?

There are five basic Hardy-Weinberg assumptions: no mutation, random mating, no gene flow, infinite population size, and no selection.

## Why alleles are found most often in heterozygotes when an allele is rare?

Another implication of the Hardy–Weinberg principle is that rare alleles are more likely to be found in heterozygous individuals than in homozygous individuals. This occurs because q2 is much smaller than 2pq when q is close to zero.

## What was the purpose of Hardy and Weinberg’s work?

Hardy Weinberg’s work shows that the percentage of alleles in genepool will remain in equilibrium when there is no new mutation and evolutionary forces are not working.

## What does 2pq represent in the equation?

In the equation, p2 represents the frequency of the homozygous genotype AA, q2 represents the frequency of the homozygous genotype aa, and 2pq represents the frequency of the heterozygous genotype Aa.

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## What are the 5 conditions that must be present in order for the Hardy-Weinberg principles to make accurate predictions which of these conditions are never truly met?

The conditions to maintain the Hardy-Weinberg equilibrium are: no mutation, no gene flow, large population size, random mating, and no natural selection. The Hardy-Weinberg equilibrium can be disrupted by deviations from any of its five main underlying conditions.

## What does the HW principle test?

Testing genetic markers for Hardy–Weinberg equilibrium (HWE) is an important tool for detecting genotyping errors in large-scale genotyping studies. For markers at the X chromosome, typically the χ2 or exact test is applied to the females only, and the hemizygous males are considered to be uninformative.

## What causes heterozygosity?

But at each gene locus associated with the disease, there is the possibility of compound heterozygosity, often caused by inheritance of two unrelated alleles, of which one is a common or classic mutation, while the other is a rare or even novel one.

## Why is heterozygosity important?

Heterozygosity is of major interest to students of genetic variation in natural populations. It is often one of the first “parameters” that one presents in a data set. It can tell us a great deal about the structure and even history of a population. … High heterozygosity means lots of genetic variability.