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Hardy-Weinburg Equilibrium indicates that the frequency of alleles in a population will change over generations.
Hardy-Weinburg Equilibrium indicates that the frequency of alleles in a population will change over generations.
False
For a population to achieve Hardy-Weinburg Equilibrium, individuals must mate randomly without preference to genotype.
For a population to achieve Hardy-Weinburg Equilibrium, individuals must mate randomly without preference to genotype.
True
In Hardy-Weinburg Equilibrium, natural selection is allowed to act on the population.
In Hardy-Weinburg Equilibrium, natural selection is allowed to act on the population.
False
The mathematical expression $P^2 + 2pq + q^2 = 1$ represents the genotype frequencies in a population at Hardy-Weinburg Equilibrium.
The mathematical expression $P^2 + 2pq + q^2 = 1$ represents the genotype frequencies in a population at Hardy-Weinburg Equilibrium.
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Gene flow occurs if neither individuals nor sperm/egg enter or exit a population.
Gene flow occurs if neither individuals nor sperm/egg enter or exit a population.
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Study Notes
Hardy-Weinberg Equilibrium
- A state of a population where the commonality of alleles and genotypes stay the same over generations.
- Evolution is the change in allele frequency.
- Populations in Hardy-Weinberg equilibrium are not evolving.
- The Hardy-Weinberg equation can be used to calculate the allele and genotype frequencies.
- p = frequency of allele A
- q = frequency of allele a
- p² = frequency of homozygous dominant genotype (AA)
- 2pq = frequency of heterozygous genotype (Aa)
- q² = frequency of homozygous recessive genotype (aa)
- p² + 2pq + q² = 1
Five Needs for Hardy-Weinberg Equilibrium
- No mutations: Genes are not duplicated or deleted.
- Random mating: Organisms mate randomly.
- No gene flow: Neither individuals (or sperm/egg) enter or exit the population. No one leaves or enters.
- Very large population: No change in the population due to breeding. This means the population is large enough to not impact the allele frequencies of the group.
- No natural selection: There is no preference for a particular genotype.
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Description
Test your understanding of the Hardy-Weinberg equilibrium and its implications in population genetics. This quiz covers the equations, conditions necessary for equilibrium, and the significance of allele frequencies. Ideal for biology students delving into evolutionary concepts.
