An X-linked recessive allele is the cause of a common form of hum...

2. Mendel's Laws of Inheritance

Sex-Linked Genes

2. Mendel's Laws of Inheritance

ANSWERS OPTIONS

There is a 0% chance that two parents who are colorblind will give birth to unaffected children.

If the father is unaffected and the mother has a hidden recessive allele, 50% of the sons will be color-blind.

If the father is unaffected and the mother has a hidden recessive allele, 50% of the daughters will be color-blind.

None of these.

An X-linked recessive allele is the cause of a common form of human red-green color blindness. Which of the following statements about inheritance probabilities is incorrect?