Question

definition 49
a new population is established by a small amount of individuals. decreases genetic variation
choose an answer
1 founder effect
2 mutation
3 genetic drift
4 bottleneck effect
dont know?

Explanation:

The definition describes a small group founding a new population with reduced genetic variation, which matches the founder effect. Mutation introduces new variation, bottleneck effect is a population reduction event, and genetic drift is the broader category this specific scenario falls under.

Answer:

1. Founder effect