Principle of Inheritance and VariationHard
Question
Mother and father both have blood group ′′A′′. They have two children one with blood group ′O′ and second one with blood group ′A′.
Options
A.mother has homozygotic gene father has heterozygotic I′AIA.
B.both are heterozygotic (I′AIA)
C.mother is heterozygotic (I′Ai) and father is heterozygotic (IAIA).
D.both are heterozygotic (I′Ai)
Solution
In the mentioned cause one with blood group ′O′ and second with blood group ′A′ are born to perents with heterozyous condition of genes for blood group A.i.e., IAI0. Both Mother and father both have blood group ″A″.but their genotypes heterozygotic comndition.
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