Question

Which of the following does not change allele frequencies in a population? A. genetic drift B....

Which of the following does not change allele frequencies in a population?

A. genetic drift

B. mutation

C. migration

D. nonrandom mating

E. natural selection

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Answer #1

Ans.- (D) Non random mating

Five factors are known to affect Hardy-Weinberg equilibrium. These are -

  1. Gene migration or gene flow
  2. Genetic drift
  3. Mutaion
  4. Genetic recombination
  5. Natural selection
  • Genetic recombination will be posible only if Random mating between group members will take place.
  • In case of non- random mating genetic recombination will not take place and hence there will be no change in freqency of alleles in a population.
  • Rest all other factors given in the option will result in change in alleles frequency.
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