alleryIn sickle-cell anaemia the red cell changes from a biconcave disc to a:
ASimple shape
BSquare shape
CSpiral shape
DSickle shape
Answer & Solution
Correct answer: D. Sickle shape
1. The disease is named after the shape it produces.
2. The RBC changes from a biconcave disc to an elongated sickle like shape.
3. So the correct answer is sickle shape.
_Source: syllabus Biology, Ch 5 'Principles of Inheritance and Variation'_
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