Which of the following statements regarding the cell cycle control system is false?

1) the cell cycle control system operates independently of the growth factors.
2)the cell cycle control system receives messages from outside the cell that influence cell division.
3) the cell cycle control system includes three key checkpoints to complete a cell cycle.
4) the cell cycle control system triggers and controls major events in the cell cycle.

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.