In a random mating population in equilibrium, which of the following brings about a change in gene frequency in non-directional manner?
Selection
Migration
Mutation
Random drift
According to the Darwin's theory of evolution, differences between the species occurs due to
Define gene pool.
According to the Neo-Darwinian theory, which of the following is responsible for the origin of new species
Random genetic drift in a population probably results from
Variation in gene frequencies within populations can occur by chance rather than by natural selection. This is referred to as