Which of the following is not an interpretation that can be made from an age structure diagram? a) the rate of change in population size b) the distribution of age c) the comparative sizes of the male and female populations d) the effect of a natural disaster on population sizethe correct answer is d. 

4. multiple crosses were made between true-breeding lines of black and yellow labrador retrievers. all the f1 progeny were black. when these progeny were intercrossed, they produced an f2 consisting of 91 black, 39 yellow and 30 chocolate. a. propose an explanation for the inheritance of coat color in labradors. b. propose a biochemical pathway for coat color determination and indicate how the relevant genes control coat coloration.