''Migration may enhance or blurr the effects of selection''. Comment.

Gene flow occurs through generations. Gene flow can occur across language barriers in humans. If we have a technique of measuring specific allele frequencies in different population of the world, can we not predict human migratory patterns in pre-history and history ? Do you agree or disagree ? Provide explanation to your answer.

In Hardy-Weinberg principle expression of allele frequency is represented by

A gene locus has two alleles $A,$ a. If the frequency of dominant allele $A$ is $0.4$ then what will be the frequency of homozygous dominant, heterozygous and homozygous recessive individuals in the population?

Random unidirectional change in allele frequencies that occurs by chance in all populations and especially in small populations is known as