Which statement is true of a pedigree chart? a. it predicts whether or not a person will inherit a certain disorder or disease
b. it explains how an individual descended from a particular ancestor
c. it describes the likely life expectancies of family members
d. it illustrates how a single inherited disorder or disease is distributed in a family

Two pea plants with yellow peas are crossed. most of their offspring have yellow peas, but about 25 percent of the offspring have green peas. for pea color, yellow is the dominant trait and green is the recessive trait. what does this tell you about the two parent plants? a. the parent plants have only dominant alleles for pea color. b. the parent plants are heterozygous for pea color. c. pea color follows an incomplete dominance pattern of inheritance. d. the parent plants are homozygous for pea color.