Source: Adapted from C

Multiple Choice

Source: Adapted from C. A. Huether et al., Maternal age specific risk rate estimates for Down syndrome among live births in whites and other races from Ohio and Metropolitan Atlanta, 1970-1989, Journal of Medical Genetics 35: 482-90 (1998) . Figure 8.20B Maternal age and incidence of Down syndrome
-If scientists studying cancer could understand how to promote cell division in cells that do not ordinarily divide, this might help people who had injuries involving

A) muscle or nerve cells.
B) intestinal cells.
C) bone cells.
D) skin cells.