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## Why is the Hardy-Weinberg model 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 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**.

## How is the Hardy-Weinberg theorem used as a null hypothesis for evolution?

How Is The Hardy Weinberg Theorem Used As A Null Hypothesis For Evolution? In evolution, **the Hardy-Weinberg Equilibrium can be applied as a null hypothesis to discover statistically significant deviations from the Equilibrium**. Based on certain assumptions, Hardy-Weinberg can be called a null hypothesis for evolution.

## Why is the Hardy-Weinberg model useful quizlet?

Why is the Hardy-Weinberg principle useful? The Hardy-Weinberg principle represents **an ideal situation that seldom occurs in the natural world**. In unrestricted random mating, each individual in a population has an equal chance of mating with any individual of the opposite sex.

## What is the Hardy Weinberg equation and what do the elements represent?

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. p2 = the frequency of homozygous dominant genotype.

## What do the Hardy-Weinberg assumptions teach us about the mechanisms of evolution?

When a population is in Hardy-Weinberg equilibrium for a gene, it is not evolving, and allele frequencies will stay the same across generations. There are five basic Hardy-Weinberg assumptions: **no mutation, random mating, no gene flow, infinite population size, and no selection**.

## Why is Hardy-Weinberg equilibrium such a useful concept in population genetics and evolution?

The genetic variation of natural populations is constantly changing from genetic drift, mutation, migration, and natural and sexual selection. The Hardy-Weinberg principle **gives scientists a mathematical baseline of a non-evolving population to which they can compare evolving populations**.