A child has heterozygous allele for blood group A. What can be most possible interpretation w.r.t. blood group of his/her parents? A) Both the parents have same genotype ${{\rm{I}}^{\rm{A}}}\,\,{{\rm{I}}^{\rm{O}}}$ and ${{\rm{I}}^{\rm{A}}}\,\,{{\rm{I}}^{\rm{O}}}$ B) Both the parents are of blood group O C) One of the parent may have blood group AB while other have blood O.

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NEET UG BIOLOGY MCQ: PRINCIPLE OF INHERITANCE AND VARIATION

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A child has heterozygous allele for blood group A. What can be most possible interpretation w.r.t. blood group of his/her parents?
A) Both the parents have same genotype

{\mathrm{I}^\mathrm{A}}\,\,{\mathrm{I}^\mathrm{O}}

and

{\mathrm{I}^\mathrm{A}}\,\,{\mathrm{I}^\mathrm{O}}

B) Both the parents are of blood group O
C) One of the parent may have blood group AB while other have blood O.

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Correct option: B

A and C

Option B (A and C) is correct because both scenarios A and C can result in a child with a heterozygous blood group A (

{\mathrm{I}^\mathrm{A}}\,{\mathrm{I}^\mathrm{O}}

NEET UG BIOLOGY MCQ: PRINCIPLE OF INHERITANCE AND VARIATION

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