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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
