Question

1. a color-blind woman marries a man who is not color blind. all of their sons are color-blind but none of there daughters are color-blind. color bind ness is likely

a. a result oh having too few chromosomes.
b. the result of having to extra chromosomes.
c. a sex-linked trait.
d. a recessive trait.

2.down syndrome is
a. a sex-linked trait.
b.a recessive trait.
c.a result of having to few chromosomes.
d.a result of having to extra chromosomes.