8.3 Gene pools Flashcards
1
Q
What does stabilising selection result in?
A
maintaining continuity
2
Q
What does disruptive selection result in?
A
changes or speciation
3
Q
What is genetic drift?
A
Changes in the gene pool of a population that occur by chance
4
Q
What results in a population bottleneck?
A
Sudden change in an environment
5
Q
What is the founder effect
A
Loss of variation due to individuals becoming isolated. forming a new population with allele frequencies not representative of the original population
