When evaluating a family health tree, a family member who has a heart attack at age 70 raises more genetic concerns than a relative who develops colon cancer at age 28.?

The answer would be a relative who develops colon cancer at age 28.

A health problem that related to genetic always shown early. Both heart attack and colon cancer is a disease that commonly found in elder people because it needs a long time to be developed. That mean heart attack at age 70 sounds normal, but colon cancer at age 28 should be suspicious.