Answer the following question: Fact 1: Most genes contain the instructions for a single protein. Fact 2: Genes are the basic unit of heredity. Given the two facts above, what mostly contain the instructions for a single protein?

Select from:
(A). resistance activities.
(B). Veins and arteries..
(C). A Greek letter.
(D). sensory neurons.
(E). fur seals.
(F). parasites.
(G). units of heredity.
(H). colors of the spectrum.
Answer:
(G).