PLEASE HELP ILL MARK BRAINLIEST A biologist pollinates a true-breeding yellow flower with pollen from a true-breeding
red flower of the same species. All of the F, offspring are yellow. What question can be
answered with the F2 cross?
A. Are yellow flowers maternally inherited?
B. Are yellow flowers recessive and red flowers dominant?
C. Are red and yellow flowers codominant?
D. Is flower color polygenic?

Calvin ate a candy bar, which caused his body's blood glucose levels to become unbalanced. his body responded by initiating a feedback mechanism to return his body to homeostasis. place the steps of this feedback mechanism in order, starting with the blood glucose imbalance that occurred after calvin consumed the candy bar. a) calvin's blood glucose levels decreased. b) calvin's pancreas stopped secreting insulin. c) calvin's body cells started to take up glucose and store it as glycogen. d) calvin's blood glucose levels increased. e) calvin's pancreas started secreting insulin.

Which of the following represents a negatively charged ion? of t 7

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different