Question
Study the given pedigree chart and answer the questions that follow.
  1. Is the trait recessive or dominant?
  2. Is the trait sex linked or autosomal?
  3. Give the genotypes of the parents in generation I and of their third and fourth child in generation II.

Answer

If we take A and a as the traits:
  1. Recessive.
  2. Autosomal.
  3. Parents-Aa and Aa.
Third child-aa.

Fourth child-Aa.

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