genes

Question 1

what does gene flow mean

Answer 1

the movement of genetic material from one population to another

Question 2

what is a gene pool

Answer 2

all the genes and alleles within an interbreeding population

Question 3

what is genetic drift

Answer 3

the random change in frequency of an allele in a population between generations, this is due to chance and not natural selection

Question 4

what is the founder effect

Answer 4

the loss of genetic variation that happens when a new population is established by a small number if individuals from a larger population

Question 5

what is bottlenecking

Answer 5

a reduction in the size of a population which reduces genetic diversity and leaves the surviving population with a small gene pool