Question

in human being blue colour is recessive to brown eye colour brown eyed man has a blue eyed mother answer the following questions a. what is genotype of man and his mother b. what are possible genotypes father c. if a man marries a blue eyed woman what are the possible genotype of their offsprings

Answer 1

the child also have blue eye

Answer 2

Explanation:

(a) Since the mother is blue-eyed, her genotype will be bb (recessive trait). While the son is brown eyed, therefore, his genotype will be Bb (heterozygous).

(b) Since the son is brown eyed means father will also be brown eyed. So, the possible genotypes will be BB or Bb.

(c) Man is brown eyed, will have genotype Bb. The woman is blue-eyed will have genotypes bb. Thus the possible genotypes of their offsprings will be:

Bb and bb.