Study the given pedigree chart for sickle-cell anaemia and select the most appropriate option for the genotypes

Options

A. `{:("Genotypes of parents Genotypes of 1st and 3rd child in" F_(1)),(Hb^(A)Hb^(S)","Hb^(A)Hb^(A)" "Hb^(A)Hb^(A)","Hb^(A)Hb^(S)):}`
B. `{:("Genotypes of parents Genotypes of 1st and 3rd child in" F_(1)),(Hb^(A)Hb^(S)","Hb^(A)Hb^(S)" "Hb^(A)Hb^(A)","Hb^(A)Hb^(A)):}`
C. `{:("Genotypes of parents Genotypes of 1st and 3rd child in" F_(1)),(Hb^(A)Hb^(A)","Hb^(A)Hb^(S)" "Hb^(A)Hb^(A)","Hb^(S)Hb^(S)):}`
D. `{:("Genotypes of parents Genotypes of 1st and 3rd child in" F_(1)),(Hb^(A)Hb^(S)","Hb^(A)Hb^(S)" "Hb^(A)Hb^(S)","Hb^(S)Hb^(S)):}`

Answer

D

Explanation

Given pedigree chart for sickle-cell anaemia can be illustrated as :