A small group of deer are forced to leave the herd in search of a new habitat with more food. If the allele frequencies of the small group is identical to that of the large population, which of the following statements apply? Read this question carefully!

1Points
A
Genetic drift has not occurred.

B
The bottleneck effect has happened.

C
The two groups will become different species.

D
The genetic variation of each group will be altered.