Question

what is the wahlund effect? explain answer with an example

what is the wahlund effect? explain answer with an example

Homework Answers

Answer #1
  • In genetics the Wahlund effect is a reduction of heterozygosity in a population.It is caused by a change in the subpopulation structure.If two or more subpopulations have different allele frequencies then the overall heterozygosity gets reduced even if they satisfies Hardy Weinberg equilibrium.

FOR EXAMPLE;

  • A Wahlund effect typically occurs for organisms for which population subdivision is unknown. Suppose there is a population of worms whose subdivision is unknown with allele frequencies of A and a given by p and q respectively.If this population is split into two equally-sized subpopulations and that all the A alleles are in subpopulation and all the a alleles are in subpopulation to each other.Then, there will be no heterozygotes even though the subpopulations are in a Hardy Weinberg equilibrium.
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