LIFSCI 7B XL - Animation: X-linked inheritance copy

Color blindness is a recessive X-linked trait in humans. In a family where the mother is color-blind and the father is normal, the probability of their having a color-blind son is:

1

Color blindness is a recessive X-linked trait in humans. In a family where the mother is heterozygous for color blindness and the father is color-blind, the probability of their having a color-blind daughter is:

1/2

For most genes on the human X chromosome, what percent of XY males with a mutant allele on the X chromosome will express the mutant phenotype?

100%

If an XY male carries a mutation on his X chromosome, _______________ will receive the mutant X.

All of his daughters

A normal female who carries a recessive X-linked allele for hemophilia will pass it on to:

Half of both her sons and daughters.

In humans, fruit flies, and many other organisms, most of the genes on the X chromosome are not found on the Y chromosome. True or False?

True