STD 12 - 4. principal of inheritance and variation — NEET STD 11 Science — Question
Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 4. principal of inheritance and variation4 Marks
MCQ
Sickle cell anaemia is due to
A
Hormones
B
Viruses
✓
Genes
D
Bacteria
✓
Answer
Correct option: C.
Genes
c (c)Sickle-cell anaemia is a genetic disease reported from negroes due to a molecular mutation of gene $HbA$ on chromosome $11$ which produces the $\beta $chain of adult haemoglobin.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.