Is a question from a review from science

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.

How would the function of synovial joints be changed if they lacked joint cavities and the bones were united instead?

Which of the following substances most likely dissolve in water? check all that apply •paraff