Processes of Evolution - population change Flashcards
Population Change due to Change
1
Q
What is genetic drift?
A
Genetic drift → change to allele frequency of a population due to chance
2
Q
what is a bottleneck effect?
A
A chance event causes significant drop in population size → alleles lost, reduces variation
3
Q
What is Founders Effect
A
Small number of individuals emigrate or become isolated from original population → alleles are not representative of parent populations gene pool