EBK GENETICS: FROM GENES TO GENOMES
6th Edition
ISBN: 9781260041255
Author: HARTWELL
Publisher: MCGRAW HILL BOOK COMPANY
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Chapter 20, Problem 6P
You have decided to study genetic factors associated with colon cancer. An extended family from Morocco in which the disease presents itself in a large percentage of family members at a very early age has come to your attention. (The pedigree is shown in the accompanying diagram.) 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 decide to take a medical history of all of the 33 people indicated in the pedigree and discover that a very large percentage drink a special coffee on a daily basis, while the others do not. The only ones who don’t drink the coffee are individuals numbered I-1, II 2, II-4, II-9, III-7, III-13, IV-1, and IV-3. Could the drinking of this special coffee possibly play a role in colon cancer? Explain your answer. |
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Chapter 20 Solutions
EBK GENETICS: FROM GENES TO GENOMES
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