Origins of Biodiversity

Question 1

When do species separate

Answer 1

Population divergence occurs until the populations are no longer able to interbreed

Question 2

what holds species together

Answer 2

gene flow- isolation leads to speciation

Question 3

what are types of reproductive isolation

Answer 3

pre-mating isolation
post-mating isolation
post-zygotic isolation

Question 4

what is dominance theory

Answer 4

genes that have diverged and caused PZ RI are always dominant as they are expressed as only one copy

Question 5

3 types of speciation

Answer 5

allopatric
parapatric
sympatric