A person's myopia or short-sightedness (M) is dominant over the no | Filo
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Class 10

Science

Biology

Heredity and Evolution

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A person's myopia or short-sightedness (M) is dominant over the normal vision (m) and the brown eyes (B)- over the blue ones (b). An only child of the myopic brown-eyed parents has blue eyes and normal vision. Determine the genotypes of all three members of this family.

Solution:
  • The genotype of both the parents is MmBb for myopic brown eyes.
  • The genotype of the child is mmbb. (recessive for both the traits).

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