Hemophilia is a recessive human condition (Xh) that is carried on the X chromosome. Which of the following is the genotype of a female with normal blood clotting?

____________ are the basic units of inheritance.

Which of the following genotypes is a female carrier for color-blindness?

Which of the following correctly describes the backbone of DNA and RNA?

In cats, the presence of stripes (a) is recessive to solid coat color (A) and brown eyes (B) are dominant to blue eyes (b). Report the expected phenotypic ratio for the offspring if two heterozygous solid, brown eyed cats mate.

Crossing over is an event that is unique to meiosis.

___________ is the study of heredity.

In Labrador Retrievers, the dominant allele, B, codes for black fur and the recessive allele, b, codes for brown fur.  If a homozygous black male is crossed with a homozygous brown female, what would be the expected phenotypic ratio of the offspring?

Females have which combination of sex chromosomes?

The fusion of gametes is called