pick from the following.
(a). DNA.
(b). two.
(c). UV.
(d). 12.
(e). RNA.
(f). 8.
(g). Eye.
(h). p53.

Fact 1: Touch is the ability to sense pressure. Fact 2: Twelve touch genes are needed for touch cell function. Given the two facts above, how many genes are needed for the ability to sense pressure?
Answer:
(d).