Genetics: From Genes to Genomes
6th Edition
ISBN: 9781259700903
Author: Leland Hartwell Dr., Michael L. Goldberg Professor Dr., Janice Fischer, Leroy Hood Dr.
Publisher: McGraw-Hill Education
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Textbook Question
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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Imagine that you are a clinical geneticist. Your colleague is an oncologist who wants your help explaining the basics of genetics to their patient, who will be undergoing genetic testing in the coming weeks for possible acute myeloid leukemia (AML) induced by the radiation she had several years ago for breast cancer.
Write a 1,050- to 1,225-word memo to your colleague.
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An explanation of the molecular structure of DNA and RNA, highlighting both similarities and differences
A description of the processes of transcription and translation
An explanation of the differences between leading and lagging strands and how the DNA is replicated in each strand
Reponses to the following common questions patients might ask about this type of genetic testing and genetic disorder:
Does AML run in families?
What genes are tested for?
Respond to the following in a minimum of 175 words:
What are some potential consequences that could result if the processes of replication, transcription, and translation don’t function correctly?
Provide an example of how you might explain these consequences in terms that patients might understand.
Chapter 20 Solutions
Genetics: From Genes to Genomes
Ch. 20 - For each of the terms in the left column, choose...Ch. 20 - Characterize the differences between tumor cells...Ch. 20 - Prob. 3PCh. 20 - Prob. 4PCh. 20 - A carcinogenic compound is placed on the skin of...Ch. 20 - You have decided to study genetic factors...Ch. 20 - B cells are specialized blood cells that secrete...Ch. 20 - Molecules outside and inside the cell regulate the...Ch. 20 - Put the following steps in the correct ordered...Ch. 20 - a. Would you expect a cell to continue or to stop...
Ch. 20 - Two different protein complexes called SCF and APC...Ch. 20 - One of the hallmarks of mitotic anaphase is the...Ch. 20 - Concerning the Tools of Genetics Box Analysis of...Ch. 20 - Are genome and karyotype instabilities...Ch. 20 - Prob. 15PCh. 20 - Why dont all loss-of-function mutations that are...Ch. 20 - Chromothripsis is a rare phenomenon, first...Ch. 20 - The chromosome 9/22 translocation associated with...Ch. 20 - A female patient 19 years old, whose symptoms are...Ch. 20 - Prob. 20PCh. 20 - A generic signaling cascade is shown in the...Ch. 20 - Neurofibromatosis type 1 NF1; also known as von...Ch. 20 - Families with germ-line BRCA1 or BRCA2...Ch. 20 - The text explained that retroviruses can cause...Ch. 20 - Hepatocellular carcinoma is the most frequent form...Ch. 20 - Suppose that instead of microarrays, you analyzed...Ch. 20 - Prob. 27PCh. 20 - Glioblastoma multiforme GBM is the most common and...Ch. 20 - a. The legend to Fig. 20.29 identifies which of...Ch. 20 - The website CBioPortal http://www.cbioportal.org...
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