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What happens in directional selection?

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Question

What happens in directional selection?

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Solution

One extreme phenotype is favoured and the other extreme is selected against. Over generations, the population’s mean shifts towards the favoured extreme.

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Chapter 9: Theory of Evolution and Evolution of Man - EXERCISES [Page 525]

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Sarita Aggarwal Biology [English] Class 12 ISC
Chapter 9 Theory of Evolution and Evolution of Man
EXERCISES | Q II. 9. | Page 525
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