15 The diagram refers to the control of water concentration in the blood. water in blood rising
hu
water in blood falling
more water in urine
less water in urine
Why is this a negative feedback system?
It decreases the amount of water in the blood.
B It increases any change in the amount of water in the blood.
c
It increases the amount of water in the blood.
D
It reverses any change in the amount of water in the blood.

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.