Genetic drift, which can lead to the loss of certain genes by chance, is?

Question

particularly significant in
A. determining the fitness of a species
B. the evolution of small populations
C. determining the gene pool of a large population
D. accounting for the total gene pool of a species
E determining the survival of mutations

Answer 1

B. in a small population genetic drift leads to speciation

Answer 2

B. Chance changes are much more important in small populations than in large populations.