Question
$\alpha-$thalassemia is different from $\beta-$thalassemia. Justify.

Answer

S.No
$\alpha-$Thalassemia
$\beta-$Thalassemia
1.
It is under the control of two genes $HBA_1$ and $HbA_2$​​​​​​​ on chromosome $16$.
It is controlled by a single gene $HBB$ on chromosome $11$.
2.
The synthesis of a chain is impaired.
The synthesis of B chain is impaired.

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