# Why is the term 2pq in the Hardy Weinberg equation instead of just 1pq?

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Why is the term 2pq in the Hardy Weinberg Equation, instead of just 1pq? Because there are two ways of getting a heterozygous combination. Which of the following would be an example of gene flow? A change in the allele frequencies due to an influx of new individuals.

## Why does Hardy Weinberg have 2pq?

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.

## What does the term 2pq represent in the Hardy Weinberg equation?

In the Hardy-Weinberg equilibrium equation, the term 2pq represents the genotype frequency of heterozygotes in a population in equilibrium (where p2 + 2pq + q2 = 1 ).

## How do you explain the Hardy Weinberg equation?

The Hardy-Weinberg equation used to determine genotype frequencies is: p2 + 2pq + q2 = 1. Where ‘p2‘ represents the frequency of the homozygous dominant genotype (AA), ‘2pq’ the frequency of the heterozygous genotype (Aa) and ‘q2‘ the frequency of the homozygous recessive genotype (aa).

## 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.

## Why is Hardy Weinberg equilibrium important?

The Hardy-Weinberg Equilibrium (HWE) is an important fundamental principal of population genetics, which states that “genotype frequencies in a population remain constant between generations in the absence of disturbance by outside factors” (Edwards, 2008).

## What is the difference between genotype frequency and allele frequency?

Definition. Genotype frequency refers to the number of individuals with a given genotype divided by the total number of individuals in the population while allele frequency refers to the frequency of occurrence or proportions of different alleles of a particular gene in a given population.

## What is Microevolutionary change?

Microevolution is defined as changes in the frequency of a gene in a population. These are subtle changes that can occur in very short periods of time, and may not be visible to a casual observer.

## What is meant by the gene pool?

A gene pool is the total genetic diversity found within a population or a species.

## What does the Hardy Weinberg equation predict for the new P and Q?

What does the Hardy-Weinberg equation predict for the new p and q? That the frequency of AA alleles is 46% while the frequency of the aa alleles is 54%. 2. … The results that I obtained agree because it’s normal for the heterzygotes to be large in number because they can carry on both alleles.

## What are the factors affecting Hardy Weinberg equilibrium?

The 5 factors are – gene flow, mutation, genetic drift, genetic recombination and natural selection.

IT IS SURPRISING:  Frequent question: Can a population ever be in Hardy Weinberg equilibrium?

## What are the assumptions of Hardy Weinberg equilibrium?

Hardy–Weinberg Equilibrium (HWE) is a null model of the relationship between allele and genotype frequencies, both within and between generations, under assumptions of no mutation, no migration, no selection, random mating, and infinite population size.