Nthis lab, you will figure out who was guilty of the classroom food mess by determining which macromolecules are present in the mystery food sample. rephrase this statement as a scientific question you can answer through investigation.

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.