Question 1

Mutations can occur as a result of many factors, including ultraviolet light or environmental pollutants such as pesticides. Which of the following best describes the most likely consequence of these mutations in cells?

A. The cells can become resistant to drug therapy.
B. The cells can become phagocytes.
C. The cells can become unable to divide.
D. The cells can become cancer cells.

Question 2

Duchenne muscular dystrophy (DMD) is a recessive, X-linked disease. What would you expect to see in the offspring of a woman who is a carrier and a man who does not have the disease?