The molecular clock indicates that humans and chimpanzees diverged about mya.

The answer that fits the blank given above is nine (9). The molecular clock is a technique wherein the biologists investigate biomolecules' rate of mutation in relation to time that the organisms diverged. In this case, the molecular clock shows that chimpanzees and humans diverged about NINE million years ago.

The offspring will be blood type aa, bb, ab and oo or i