Question 14

(Multiple Choice)

In the 1980s and 1990s,positional cloning led to the discovery of genes that


A) encode all proteins in the human genome.
B) cause hemophilia, fragile X syndrome, and colorblindness.
C) cause several types of cancers.
D) cause Duchene muscular dystrophy, cystic fibrosis, and Huntington disease.
E) make a person susceptible to radiation-induced damage to DNA.

Answer