NEET Biology question

Evolution that shift the allele frequency in a study consistent direction is called?

(A)Directional evolutionCorrect
(B)Disruptive evolution
(C)Molecular evolution
(D)All of these

Answer: (A)

Solution

Directional. Selection process in natural selection are (i) Stabilizing Selection (Balancing selections) This type of selection favours average sized individuals, while eliminates small sized individuals. It reduces variation and hence, do not promote evolutionary changes. It maintains the mean value from generation

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Question ID VK-121563