The pedigree pictured is of an extended family where a large percentage of family members develop colon cancer at an early age. In this family, individuals either get colon cancer before the age of 16, or they don’t get it at all. a) Based on the information you have been given, what evidence, if any, suggests an inherited contribution to the development of this disease? b) You take a medical history of all 33 people in the pedigree and discover that a large percentage drink a special coffee on a daily basis, while others do not. The individuals who do not drink coffee are I-1, II-2, II-4, II-9, III-7, III-13, IV-1, and IV-3. Could drinking this special coffee play a role in colon cancer? Explain.
The pedigree pictured is of an extended family where a large percentage of family members develop colon cancer at an early age. In this family, individuals either get colon cancer before the age of 16, or they don’t get it at all.
a) Based on the information you have been given, what evidence, if any, suggests an inherited contribution to the development of this disease?
b) You take a medical history of all 33 people in the pedigree and discover that a large percentage drink a special coffee on a daily basis, while others do not. The individuals who do not drink coffee are I-1, II-2, II-4, II-9, III-7, III-13, IV-1, and IV-3. Could drinking this special coffee play a role in colon cancer? Explain.
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