chapter 2 Flashcards
1
Q
Genetic Drift
A
a change in allele frequencies (random)
2
Q
Founder effect
A
starting of a new population started by a few individuals that eventually change allele frequencies.
3
Q
population bottleneck
A
is a sharp reduction in the size of a population due to environmental events
4
Q
Gene flow
A
is the transfer of alleles or genes from one population to another. (not random)
5
Q
Natural Selection
A
where organisms adapt better to the environment to survive and reproduce
6
Q
mutation
A
permeant change in a nucleotide sequence in an organism
7
Q
sexual dimorphism
A
is a phenotypic differentiation between males and females of the same species.
