How do natural disasters contribute to genetic drift?
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genetic drift means chance elimination of gene of trait when a section of population dies of natural calamity.
Explanation:
Example:In case of snowstrom ,the induviduals having allelas that provide resistance to cold survive ,whereas others die.It eliminates certain alleles and fixes other alleles ,thereby reducing genetic variability of the population .
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Explanation: Genetic drift can also be magnified by natural events, such as a natural disaster that kills a large portion of the population at random. The bottleneck effect occurs when only a few individuals survive and reduces variation in the gene pool of a population.
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