# What does the Hardy-Weinberg model describe?

## What does the Hardy-Weinberg model describe?

The Hardy-Weinberg principle is a mathematical model used to describe the equilibrium of two alleles in a population in the absence of evolutionary forces.

## What is the Hardy-Weinberg principle simple?

In population genetics, the Hardy–Weinberg principle, also known as the Hardy–Weinberg equilibrium, model, theorem, or law, states that allele and genotype frequencies in a population will remain constant from generation to generation in the absence of other evolutionary influences.

**What is the Hardy-Weinberg experiment?**

The Hardy-Weinberg Theorem demonstrates that Mendelian loci segregating for multiple alleles in diploid populations will retain predictable levels of genetic variation in the absence of forces that change allele frequencies.

### Why is the Hardy-Weinberg model important?

Despite the reality of such factors in almost every real population, the Hardy-Weinberg equation remains so important to biology because it establishes the null hypothesis against which those factors are tested by biologists.

### How does Hardy-Weinberg define evolution?

The Hardy-Weinberg equilibrium principle describes the unchanging frequency of alleles and genotypes in a stable, idealized population. In this population we assume there is random mating and sexual reproduction without normal evolutionary forces such as mutation, natural selection, or genetic drift.

**How does Hardy-Weinberg show evolution?**

Mechanisms of evolution correspond to violations of different Hardy-Weinberg assumptions. They are: mutation, non-random mating, gene flow, finite population size (genetic drift), and natural selection.

## When a population is in Hardy-Weinberg equilibrium this means?

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.

## How does the Hardy-Weinberg equilibrium work?

There are five basic Hardy-Weinberg assumptions: no mutation, random mating, no gene flow, infinite population size, and no selection. If the assumptions are not met for a gene, the population may evolve for that gene (the gene’s allele frequencies may change).