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Sickle-cell anaemia is :...

Sickle-cell anaemia is :

A

an autosomal linked dominant trait

B

Caused by a change in a single base-pair of DNA

C

chracterized by elongated sickle like `RBC_s`with a nucleus

D

caused by substitution of valine by glutamic acid in the `beta`-globin chain of haemoglobin

Text Solution

Verified by Experts

The correct Answer is:
B
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