Practicing Success
Read the given passage and answer the questions that follow :- |
Which among the following factors affect Hardy Weinberg equilibrium? |
Mutation Genetic drift Gene flow All of these |
All of these |
The correct answer is Option (4) –All of these Hardy-Weinberg Principle The principle stating that allele frequencies in a population remain stable and constant from generation to generation, under certain ideal conditions, is known as the Hardy-Weinberg principle. Five factors are known to affect Hardy-Weinberg equilibrium. These are gene migration or gene flow, genetic drift, mutation, genetic recombination and natural selection. When migration of a section of population to another place and population occurs, gene frequencies change in the original as well as in the new population. New genes/alleles are added to the new population and these are lost from the old population. There would be a gene flow if this gene migration, happens multiple times. If the same change occurs by chance, it is called genetic drift. |