Which chromosome contains more genes?

Males can be heterozygous for sex-linked traits.

How many recessive genes does a carrier female have for colorblindness?

Colorblindness is a sex-linked recessive trait. A colorblind woman marries a male with normal color vision. What is the percent chance of them having a color blind son?

Muscular dystrophy is a sex-linked recessive disorder. A man with muscular dystrophy marries a woman who doesn’t have this disease. Half of their daughters and half of their sons develop this disease. What is the genotype of the mother?

A X-linked gene in fruit flies controls the patterns of the wings. X^B has a barred pattern and X^b doesn’t have bars. A male with barred wings is mated to a non-barred female. What would be the genotype(s) of their female offspring?

The different forms of a gene are called

The physical appearance of an organisms is its

Examples include skin color and height (the individual's phenotype exists somewhere along a spectrum)

Who was the scientist that studied pea plants to determine heredity?

A trait that is located on the X chromosome is called