Mendel drew several key conclusions based on his observations of pea plants. Which of the following best describes one of his conclusions?
A. Dominant hereditary factors are those that help an individual
survive and reproduce.
B. An offspring that inherits different versions of the factor for a trait
will not survive.
C. Hereditary factors blend together to produce the traits of
offspring.
D. A parent can pass on only one factor for each trait to its offspring.