Question

How do natural disasters contribute to genetic drift?

Answer 1

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 .

Answer 2

Answer:

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.