Thirty People Are Selected for a Long-Term Mission to Colonize

Multiple Choice

Thirty people are selected for a long-term mission to colonize a planet many light-years away from Earth. The mission is successful, and the population rapidly grows to several hundred individuals. However, certain genetic diseases are unusually common in this group, and the group's gene pool is quite different from that of the Earth population they have left behind. Which of the following phenomena has left its mark on this population?

A) founder effect
B) bottleneck effect
C) high rates of mutation
D) natural selection