Write two closely linked genes that control α -thalassemia. Differentiate between thalassemia and sickle cell anaemia on the basis of their effect on…

(a) HBA 1, HBA 2 (b) Thalassemia is a quantitative problem of synthesising too few globin molecules, while Sickle cell anaemia is a qualitative problem of synthesising an incorrectly functioning globin molecule

CBSE 2025 · Region 2 · Set 2 · Q18 · 2 marks

(a)
Write two closely linked genes that control $\displaystyle \alpha$-thalassemia.
(b)
Differentiate between thalassemia and sickle cell anaemia on the basis of their effect on globin molecule of Haemoglobin.

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(a)
Write two closely linked genes that control $\displaystyle \alpha$-thalassemia.
(b)
Differentiate between thalassemia and sickle cell anaemia on the basis of their effect on globin molecule of Haemoglobin.

Marking-scheme solution

More from Principles of Inheritance and Variation

(a)Write two closely linked genes that control $\displaystyle \alpha$-thalassemia.(b)Differentiate between thalassemia and sickle cell anaemia on the basis of their effect on globin molecule of Haemoglobin.

Marking-scheme solution

More from Principles of Inheritance and Variation

(a)
Write two closely linked genes that control $\displaystyle \alpha$-thalassemia.
(b)
Differentiate between thalassemia and sickle cell anaemia on the basis of their effect on globin molecule of Haemoglobin.