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. No mention should be made of chromosomes or meiosis when discussing this law. Mendel did not know about these.