gene flow Flashcards
1
Q
define gene flow
A
movement of alleles into or out of a population
2
Q
what effect does gene flow have
A
conteract natural selection by creating fewer differences between populations
3
Q
what does gene flow do?
A
can introduce new alleles into a gene pool or can change allele frequencies
4
Q
what prohibits gene flow?
A
isolation
- barriers to creating two population
- geographical + sciocultural
