2. Mendel's Laws of Inheritance

In humans, color blindness is an X-linked recessive trait. If a girl's father has normal color vision and her mother is not color blind, what is the probability that the girl will inherit color blindness?

Which of the following is an X-linked genetic disorder?

Which statement is true of a sex-linked recessive gene?

Traits that are carried on the X chromosome are said to be:

Which term best describes genes that are located on the X chromosome?

A woman is red-green color-blind. What can we conclude, if anything, about her father?

Which types of inheritance are observed in the ABO blood group system of humans?

If Brian has a son who is color-blind, which of the following statements is most likely true regarding the inheritance of the color-blindness allele?

Which of the following individuals will have hemophilia, assuming hemophilia is an X-linked recessive disorder and neither parent has hemophilia in their family history?

Which type of mutation occurs only in gametes and can be passed on to offspring?

In cats, the gene for fur color is located on the X chromosome, with the alleles B (black) and O (orange). Which of the following fur colors are possible in female cats due to X-inactivation?

Why is it unusual for a calico cat to be male?

Which of the following statements about sex-linked genes and blood type inheritance is correct?

Which statement most accurately explains why Duchenne muscular dystrophy (DMD) affects males more often than females?

X-linked recessive traits in humans (or in Drosophila) are observed most frequently in which group?