NEET Biology question

Theory of Natural Selection dwells on

(A)Role of environment only
(B)Natural selection acting on favourable heritable variationsCorrect
(C)Changes in the gene complex resulting in heritable variations
(D)None of the above

Answer: (B)

Solution

The theory of natural selection is based on the following factors: (i) rapid multiplication and limited food and space lead to a struggle for existence; (ii) heritable variations exist among individuals in this struggle, and natural selection (survival of the fittest) acts upon them; (iii) natural selection and the

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Question ID VK-121634