The differences in blood types are due to the presence or absence of protein molecules called located on the surface of the cells. there are 3 main proteins which might be present-

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

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.