Bateson, Saunders, and Punnett weren't sure. In fact, it was not until the later work of geneticist Thomas Hunt Morgan that this coupling, or linkage, could be fully explained. At the beginning of ...

Determine the probability that the offspring will have grey fur. In this Punnett square the top row shows the alleles of parent 1 and the left-hand column shows the alleles of parent 2.

Split the alleles for each parental type and add them into your Punnett square around the edges. Work out the new possible genetic combinations inside the Punnett square. Use this to answer the ...