Principles of Inheritance and Variation Question 139
139. Thalassemia and sickle cell anemia are caused due to a problem in globin molecule synthesis. Select the correct statement :
[2017]
(a) Both are due to a quantitative defect in globin chain synthesis
(b) Thalassemia is due to less synthesis of globin molecules
(c) Sickel cell anemia is due to a quantitative problem of globin molecules
(d) Both are due to a qualitative defect in globin chain synthesis
Show Answer
Answer : b
Hints & Solution
(b) Thalassemia is a quantitative problem of synthesising very few globin molecules while sickle cell anaemia is a qualitative problem of synthesising an incorrectly functioning globin.
