Imagine That One of the Original Four Mice That Escape

Multiple Choice

Imagine that one of the original four mice that escape from a research lab is blind due to a genetic defect. If the mice breed and most of the mice born in subsequent generations are blind from birth, this is most likely a case of:

A) artificial selection.
B) the founder effect.
C) selective mutation.
D) an equilibrium population.
E) natural selection.