Question

If both the parents are carriers of sickle-cell anaemia, then express the type of
progeny in terms of percentage with the help of the Punnet Square. (Use suitable
symbols for the gametes).

Answer 1

Answer:

25% of the progeny will be normal. 50% of the progeny will be the carriers of sickle cell anaemia and rest 25% of the progeny will suffer from sickle cell anaemia.

Explanation:-

sickle cell anemia is a point mutation in which RBC becomes sickle shaped and person suffers and then dies due to anemia

${Hb}^{a} = normal \: rbc$

${Hb}^{s} = sickle \: shaped \: rbc$