Reproductive Barriers Flashcards
1
Q
What are prezygotic reproductive barriers?
A
Prezygotic barriers prevent zygote formation.
2
Q
What are examples of prezygotic barriers?
A
Temporal, habitat, behavioral, mechanical, and gametic isolation.
3
Q
What are postzygotic barriers?
A
Postzygotic barriers affect hybrid viability or fertility.
4
Q
What is an example of a prezygotic barrier?
A
Gametic isolation, where sperm and egg cannot fuse.
5
Q
How do postzygotic barriers affect hybrids?
A
They reduce hybrid viability or fertility.
