A : Sickel cell anaemia occurs due to point mutation. R : mRNA produced from Hb(s) gene has GAG inst

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4.Principles of Inheritance and Variation

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$A$ : Sickel cell anaemia occurs due to the point mutation.
$R$ : $mRNA$ produced from $Hb(s)$ gene has $GAG$ instead of $GUG$.

A

Assertion and Reason both are correct and also correct explanation.

B

Assertion and Reason both are correct but not explanation of assertion.

C

Assertion is correct, but Reason is incorrect.

D

Both Assertion and Reason are incorrect.

Solution

GUG $\rightarrow$ Valine

GAG $\rightarrow$ Glutamine

Standard 12

Biology

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(AIPMT-2000)