# What does p2 in the below mentioned Hardy Weinberg equation indicate p2 2pq q2?

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To determine the genotype breakdown we use the equation p2 + 2pq + q2, where p2 represents homozygous dominant genotype, 2pq represents heterozygous genotype, and q2 represents homozygous recessive genotype.

## What does p2 2pq represent?

Explanation: In the Hardy-Weinberg equilibrium equation ( p2+2pq+q2=1 ), the term 2pq represents the genotype frequency of heterozygotes (Aa) in a population in equilibrium. The term p2 represents the frequency of dominant homozygotes (AA) and the term q2 represents the frequency of recessive homozygotes (aa).

## What do the variables in the Hardy-Weinberg equation represent P p2 Q?

The frequency of genotypes in a population can be represented by p2+2pq+q2= 1, with p2 equal to the frequency of the homozygous dominant genotype, 2pq equal to the frequency of the heterozygous genotype, and q2 equal to the frequency of the recessive genotype.

## What does the P represent in the Hardy-Weinberg?

The Hardy-Weinberg Equation

p = the frequency of the dominant allele in a population. q = the frequency of the recessive allele in a population. 2pq = the frequency of the heterozygous dominant genotype.

## What is p2 in biology?

p2= dominant allele i.e when we have both ‘p’ from parents. q2= recessive allele i.e when we have bothe ‘q’ from parents. and 2pq= heterozygote i.e. when we have say’p’ from one parent and ‘q’ from another parent.

## What does p2 2pq and q2 represent?

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 is the meaning of 2pq in Hardy-Weinberg 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.

## 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 2pq not PQ?

Note that the heterozygotes are not 2pq but pq because in each case they are only being considered for the one allele in question. If we scale all wii’s such that the largest = 1.0 we refer to these as the relative fitnesses of the genotypes. A worked example where p = . 4, q = .

## 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).

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## What does 2pq equal?

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).

## Why is there a 2 in 2pq but not in p2 or q2?

9. Why is there a “2” in “2pq” but not in “p2” nor “q2”? 16% of a population is unable to taste the chemical PTC. These non- tasters are recessive for the tasting gene.

## Is PP genotype or phenotype?

Predicting Offspring Phenotypes

Only offspring with the pp genotype will have the white-flower phenotype. Therefore, in this cross, you would expect three out of four (75 percent) of the offspring to have purple flowers and one out of four (25 percent) to have white flowers.

## What does the P in P generation refer to?

The parental generation refers to the first set of parents crossed. The parents’ genotype would be used as the basis for predicting the genotype of their offspring, which in turn, may be crossed (filial generation). … These two plants comprise the parental generation (P generation).

## What does the P generation represent?

The P generation is the start of Mendel’s work on inheritance, or receiving genetic qualities by transmission from parent to offspring. Basically it refers to traits or genes that are passed from a parental generation to its offspring.

## What are parental crosses?

A dihybrid cross describes a mating experiment between two organisms that are identically hybrid for two traits. … Organisms in this initial cross are called the parental, or P generation.

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