Unit 2 - Genetic Drift

Question 1

Genetic Drift

Answer 1

random fluctuations in allele
frequencies

Question 2

Founder Effect

Answer 2

new population started by very
few individuals

Question 3

Bottleneck

Answer 3

when population
undergoes extreme size reduction for at least one generation

Question 4

Inbreeding

Answer 4

mating between relatives; increases
expression of deleterious recessive alleles

Question 5

Depression

Answer 5

decreased fecundity, increased mortality, increased susceptibility to disease

Question 6

Gene Flow

Answer 6

movement of alleles between
populations (or subpopulations in metapopulations)