How are photosynthesis and cellular respiration related?

a. cellular respiration connot occur without photosynthesis

b. they each occur in completely different organisms

c. both depend on atp as a source of energy

d. both produce more atp than they use

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.