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Question : Read the following statements and select the correct option. (i) Increase in metained months after industrialisation in Great Britain is a proof for natural selection. (ii) When more individuals of a population acquire a mean character value, it is called disruption. (iii) Changes in allelic frequency in a population will lead to Hardy-Weinberg equilibrium. (iv) Genetic drift changes the existing gene or allelic frequency in future generations.

Answer»

Only II is correct.
Only iv is correct.
Both I and iv are correct.
Both I and ii are correct.

SOLUTION :When more individuals of a population acquire a mean character value, it is called STABILISING selection. No CHANGE in allelic frequency in a population will LEAD to Hardy-Weinberg equilibrium.


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