Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions
A new form of kidney cancer was identified in a family in which many of the family members were affected. This family's pedigree is shown below.
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-Upon genetic analysis of the cancerous tissue, a mutated form of a gene, named the kid gene, was discovered in all affected individuals but not in the unaffected individuals. What is the MOST likely function of the normal, nonmutated kid gene?

A) DNA-repair gene
B) proto-oncogene
C) tumor-suppressor gene
D) telomerase gene
E) acetyltransferase gene