the population is small. migration into the population is occurring. immigration into the population is occurring. the population is large.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: The Hardy-Weinberg law is only valid when
Possibilities:
- the population is small.
- migration into the population is occurring.
- immigration into the population is occurring.
- the population is large.

the population is large.