Question

Study the given pedigree chart and answer the questions that follow:

(a) Is the trait recessive or dominant?

(b) Is the trait ***-linked or autosomal?

(c) Give the genotypes of the parents in generation I and of their third and fourth child in generation II.

Answer 1

(a) Recessive trait.

(b) Autosomal trait.

(c) Genotypes of the parents in generation I is 'Aa' and 'Aa'.

Genotypes in generation II of third child is 'aa' and fourth child is 'Aa'.