Course

Animal Biology

Study Pack

Set 5 Evolution And Gene Frequencies

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Question 1

(Multiple Choice)

Free
The work of Peter and Rosemary Grant,on morphological changes in the bills of Galápagos finches,shows that evolution can be

A)convergent.
B)rapid.
C)divergent.
D)gradual.
E)sympatric.

Answer

Question 2

(Multiple Choice)

Free
Genetic drift is most likely to have noticeable effects in:

A)large populations where migration occurs regularly.
B)small populations where migration occurs regularly.
C)large populations where mutation occurs regularly.
D)small, isolated populations.
E)small populations where mutation and migration occur regularly.

Answer

Question 3

(Multiple Choice)

Free
The unusual gene frequencies of the Dunker population of eastern Pennsylvania are due to this phenomenon,which is seen frequently when small groups with unrepresentative gene frequencies break off from a larger population.

A)unidirectional selection
B)population bottleneck
C)neutral allele
D)disruptive selection
E)founder effect

Answer