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JIPMER 2012
Exam
JIPMER
Year
2012
Subject
Zoology
Chapter
Principles of Inheritance and Variation

JIPMER 2012 · Zoology · Principles of Inheritance and Variation

If a child is of O blood group and his father is of B blood group,...

If a child is of O blood group and his father is of BB blood group, the genotype of father isIf a child is of O blood group and his father is of B blood group, the genotype of father is

Options

  1. AIO\mathrm{I}^{\mathrm{O}}\mathrm{I}O^{\mathrm{O}}
  2. BIA\mathrm{I}^{\mathrm{A}}\mathrm{I}B^{\mathrm{B}}
  3. CIO\mathrm{I}^{\mathrm{O}}\mathrm{I}B^{\mathrm{B}}
  4. DIO\mathrm{I}^{\mathrm{O}}\mathrm{I}A^{\mathrm{A}}

Correct answer

C. IO\mathrm{I}^{\mathrm{O}}\mathrm{I}B^{\mathrm{B}}

Step-by-step solution

Genotype of a person with blood group 'B' may be IBIBI^B I^B or IOIBI^O I^B, person with genotype IBIBI^B I^B can not produce offsprings with blood group ' O ' in any case but if the person's genotype is IO\mathrm{I}^{\mathrm{O}}\mathrm{I}B^{\mathrm{B}}, then its offsprings may have blood group 'O'. e.g., If a child is of O blood group and his father is of B blood group, the genotype of father is
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