Answer:
The correct answer would be gene flow.
Explanation:
Gene flow is explained as the transfer of genes from one population to another so there is an increase in their frequency of genes.
It is also called migration. The addition or loss of people can affect the frequencies of the gene pool even if no other evolutionary mechanisms working at the time.
Thus, the correct answer would be gene flow.
Answer:
1st: Bring new alleles from other populations
2nd: Favor certain alleles
3rd: Creates new alleles from DNA
4th: Randomly selects alleles
Explanation:
