Gujarati
4.Principles of Inheritance and Variation
medium

The amino acid substituted in sickle cell anaemia is

A

Glutamic acid for valine in the alpha chain

B

Glutamic acid for valine in the beta chain

C

Valine for glutamic acid in the alpha chain

D

Valine for glutamic acid in the beta chain

Solution

(d)The sixth amino acid in $\beta – $chain of normal haemoglobin is glutamic acid. In sickle cell haemoglobin this amino acid is replaced by valine.

Standard 12
Biology

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