Your friend is interested in mapping factors associated with colon cancer. He finds a marker (C) where individuals with genotype CC have a 0.4% occurrence of colon cancer and individuals with cc have a 40% occurrence of colon cancer. He concludes that the cc genotype at that marker causes colon cancer. Assess his conclusion. His conclusion is correct, as individuals with cc have a 100 times greater chance of developing colon cancer. His conclusion is incorrect, and marker c is linked to a variation that causes colon cancer His conclusion is correct, but there are some environmental factors because not everyone with cc gets colon cancer and some individuals with CC still develop colon cancer His conclusion is incorrect because only 40% of people with cc develop colon cancer, which is less than half