A woman with black hair whose father had blond hair reproduces with a blond-haired man. Her mother has type O blood. Short fingers are dominant over long fingers. A woman who is heterozygous for an autosomal dominant disorder reproduces with a normal man.
Valves prevent backflow of blood into the heart when the heart relaxes.
For the following problem, show all of your work. Color blindness is an x-linked recessive trait. Widow s peak is dominant over straight hair line. Describe Mendel s law of Segregation. Mendel's Law of segregation says that there are 2 factors for each trait, the factors segregate when gametes are formed, each gamete gets one of the factors, and fertilization results in each cell having 2 factors for each trait.