# What is the point of the Hardy Weinberg principle?

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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.

## Why is the Hardy-Weinberg principle important?

This relationship, known as the Hardy-Weinberg principle, is important because we can use it to determine if a population is in equilibrium for a particular gene. The Hardy-Weinberg principle applies to individual genes with two alleles, a dominant allele and a recessive allele.

## What is the point of the Hardy-Weinberg equation?

The Hardy-Weinberg equation is a mathematical equation that can be used to calculate the genetic variation of a population at equilibrium.

## 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.

## 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.

## How do you calculate P and Q?

To find q, simply take the square root of 0.09 to get 0.3. Since p = 1 – 0.3, then p must equal 0.7. 2pq = 2 (0.7 x 0.3) = 0.42 = 42% of the population are heterozygotes (carriers).

1. The frequency of the recessive allele. …
2. The frequency of the dominant allele. …
3. The frequency of heterozygous individuals.
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## How do you know if it’s in Hardy-Weinberg equilibrium?

To know if a population is in Hardy-Weinberg Equilibrium scientists have to observe at least two generations. If the allele frequencies are the same for both generations then the population is in Hardy-Weinberg Equilibrium.