A woman with straight hair marries a man with curly hair and, who is known to be heterozygous for the trait. What is the chance that their first child will have curly hair?

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