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Problem 418. Blood test?

Created by AMITAVA BISWAS

Assuming: the genetic makeup (genotype) of a child is coded as a pair with two components, combining half genotype of one parent with half from the other parent, the possibilities are:

  • A+A
  • A+B
  • A+O
  • B+B
  • B+O
  • O+O

The corresponding blood group of the child will be observed (phenotype) to be A, AB, A, B, B, and O respectively. Given either genotype (3 characters, such as 'A+O') or phenotype (1 or 2 characters, such as 'A' or 'AB') of a child, a putative father, and a putative mother, determine 'maybe' or 'unlikely'.

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34 correct solutions 29 incorrect solutions
Last solution submitted on Jun 25, 2014

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