Q1. Your roommate says that the concept of homeostasis is being violated while the rate of respiration goes up during exercise, since the rate of respiration clearly is not held constant. Describe why his thinking is faulty.

Q2. What is the genotypic and phenotypic ratio in the offspring produced by the cross AABb x Aabb if A is green colour, a – yellow; B- tall plants. b -short plant? Suppose complete dominance for the trait. Describe results of the cross using branching diagram.