Statement: Long neck of Giraffe is due to centripetal selection
Reason: During directional selection when the mean value of phenotype coincides with new optimum environmental conditions, centripetal selection takes over

Both statement and reason are true and reason is correct answer to statement

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Only statement is true and reason is false

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Both are false

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Both are true but reason is not correct explanation of statement

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Solution

The correct option is A Both statement and reason are true and reason is correct answer to statement
Centripetal selection is a negative selection that removes the less fit and more specialised genotypes from the population.

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1. Both assertion and reason are true and the reason is the correct explanation of the assertion

2. Both assertion and reason are true but reason is not correct explanation of the assertion

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4. Both assertion and reason are false statements

This question consists of two statements, namely, Assertion (A) and Reason (R). For selecting the correct answer, use the following code:

(a) Both Assertion (A) and Reason (R) are true and Reason (R) correct explanation of Assertion (A).

(b) Both Assertion (A) and Reason (R) are true but Reason (R) is not a correct explanation of Assertion (A).

(d) Assertion (A) is false and Reason (R) is true.

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