Answer the following question given this paragraph: 

Evolution occurs in a population when allele frequencies change over time. What causes allele frequencies to change? That question was answered by Godfrey Hardy and Wilhelm Weinberg in 1908.


Q: What kind of change causes evolution in population?

 Choices:

- morphogenesis frequency changes

- paragenic frequency changes

- transgenic frequency changes

- allele frequency changes

A:
allele frequency changes
