When a plant photosynthesizes, the carbon used by the plant to construct organic molecules comes from .
a. COâ in the atmosphere
b. COâ in the soil
c. Organic carbon in the soil
d. Single carbon atoms in the atmosphere
e. Any of these sources

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.