Which of the following statements about the cichlid fish of Lake Malawi is false?
A)Within a few million years,hundreds of cichlid species evolved within this lake.
B)Hundreds of different genes determine the length of the jaw in these fish.
C)Jaw length determines overall body shape and size.
D)Many different unique niches exist within the lake,which the various cichlids occupy.
E)Evolution of this group of fish was very rapid.

Question

Quizplus · Accepted Answer

The false statement is that hundreds of different genes determine the length of the jaw in these fish. In fact, only a small number of genes have been identified as playing a role, making this trait an example of polygenic inheritance.

Which of the Following Statements About the Cichlid Fish of Lake