test 3 part 3 Flashcards
1
Q
what are the three conditions of natural selection?
A
variation, heritability, and tghe differential reproductive success.
2
Q
stabalizing selection is what?
A
the central tendancy stays
3
Q
in directional selection what heppens?
A
the tendancy moves to one phenotype
4
Q
what happens in disruptive selection?
A
the tendancy moves to two seperate phenotypes
5
Q
what are mutations?
A
random changes in a DNA or RNA sequance
6
Q
effects of mutations are what in an environment?
A
context dependant
