Question

Sewall Wright effect is ______ 

विकल्प

• Transfer of genes between populations

• Exchange of genetic material between communities

• Changes in the chemical makeup of a gene

• Any alteration in allele frequency of a natural population by pure chance

Answer 1

Sewall Wright effect is Any alteration in allele frequency of a natural population by pure chance.

Explanation:

Cumulative changes in gene frequencies arise from random, birth, death, segregation are purely by chance.