Q
In sickle cell anemia there is substitution of_________________?
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A
A. Valine for glutamic acid at the sixth position of beta chain
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B
B. Phenylalanine for glutamic acid
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C
C. Tyrosine for valine at the 6th position at beta chain
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D
D. All of the above
Correct Answer:
A. A. Valine for glutamic acid at the sixth position of beta chain
