AIIMS2013Botany-Genetics

AIIMS 2013 Botany Genetic Disorders Assertion Reason Question

Type: Assertion Reason-conceptual-Medium-Class 12

Assertion: Only a boy child could be born with a substitution of glutamic acid by valine on 6th6^{th} codon of beta-chain of haemoglobin. Reason: The gene for the above mutation is found on Y⁻chromosome.

A

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

B

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

C

Assertion is true but reason is false.

D

Both assertion and reason are false.

Correct Answer

Option D

Detailed Explanation

Sickle cell anemia is caused by the formation of an abnormal haemoglobin called haemoglobin-S.

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