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Q.

Read the following statements

I) Darwin finches with different of shapes of beak is an example for directional selection.   

II) Polydactyly dwarf individuals in old order Amish population is the result of genetic load.

III) Sympatric speciation generally do not involves geographical isolation  

IV) The conditions for Hardy Weinberg law are not applicable to natural interbreeding populations

In the above the correct are

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a

I and II only

b

All except III

c

All except I

d

III and IV only

answer is D.

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Detailed Solution

Darwin finches with different of shapes of beak is an example for Divergent evolution (Adaptive radiation).

Polydactyly dwarf individuals in old order Amish population is the result of genetic drift (Bottle neck effect)

 

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Read the following statementsI) Darwin finches with different of shapes of beak is an example for directional selection.   II) Polydactyly dwarf individuals in old order Amish population is the result of genetic load.III) Sympatric speciation generally do not involves geographical isolation  IV) The conditions for Hardy Weinberg law are not applicable to natural interbreeding populationsIn the above the correct are