Barriers to reproduction

Question 1

What is reproductive Isolation

Answer 1

Stops gene flow- causes speciation

-prevents hybrids

Question 2

What are Barriers to reproduction?

Answer 2

1. Prezygotic: Prevents mating

2. Post Zygotic: Prevents zygote from developing into viable adult

Question 3

Types of Prezygotic Barriers ?

Answer 3

1. Habitat isolation
2. Temporal
3. Behavioral ( Not right song and rituals)
4. Mechanical (parts don’t ft)
5. Gametic

Question 4

Types of Postzygotic Barriers?

Answer 4

1. Reduced Hybrid Viability: about development of hybrid
2. Reduced hybrid fertility: hybrid produces abnormal gametes (i.e mule)
3. Hybrid breakdown: Resulting offspring can’t mate with parent or eachother