Use the Following Pedigree (Figure 11

Multiple Choice

Use the following pedigree (Figure 11.3) for a family in which dark-shaded symbols represent individuals with one of the two major types of colon cancer. Numbers under the symbols are the individual's age at the time of diagnosis.
Figure 11.3
-The affected woman in generation IV is thinking about her future and asks her oncologist (cancer specialist) whether she can know whether any or all of her children will have a high risk of the same cancer. The doctor would be expected to advise which of the following? I. genetic counseling
II) prenatal diagnosis when/if she becomes pregnant
III) testing to see whether she has the allele
IV) testing to see whether her future spouse or partner has the allele

A) I only
B) II only
C) I, II, and IV only
D) I, II, and III only
E) III and IV only