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Questions  

The gene for brown eyes is dominant over the gene for blue eyes. Following are given some statements.
I. For the child to be blue-eyed, at least one parent should be blue-eyed.
II. Both parents with blue eyes will have a blue-eyed child.
III. Blue-eyed person will always show both the alleles different from brown-eyed person.
IV. Identical twins of blue-eyed parents will both have either blue or brown eyes.
V. For the child to be brown-eyed, one parent should be brown-eyed.
The correct statements are

a
I, IV and V
b
II and V
c
II and III
d
I and III

detailed solution

Correct option is B

For a child to be blue-eyed, both the parents need to be blue-eyed.Blue-eyed person will not always have both the alleles different form the brown-eyed person. Brown-eyed person can be homozygous for the dominant allele or can be heterozygous for the alleles.Identical twins of blue-eyed parents will have blue eyes only.

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