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Class 12 NEET Biology Principles of Inheritance and Variation Questions Part 3

Section: Zoology

Question : 14 of 35

Marks: +1, -0

The mother has

{A}+

{B}+

{A}+

\;\; I^A I^A|I^B i | I^B i

\;\; I^A I^A|I^B i | I^A i

\;\; I^B i|I^A I^A | I^A I^B

\;\; I^A I^A|I^B I^B | I^A i

\;\; I^A i|I^B i | I^A i

Solution:

The child blood group is

( {A}^{+})

that means he must have received (i) allele from the father i.e. the father genotype is

(I^B i)

While mother can have

I^A I^A

I^A i

genotype.

So, the possible genotypes of all three i.e. mother, father and child respectively would be either

\;\; I^A I^A|I^B i | I^A i

\;\; I^A i|I^B i | I^A i

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