Concepts of Genetics (12th Edition)
12th Edition
ISBN: 9780134604718
Author: William S. Klug, Michael R. Cummings, Charlotte A. Spencer, Michael A. Palladino, Darrell Killian
Publisher: PEARSON
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Chapter 22, Problem 15PDQ
Summary Introduction
To determine: The ethical problems that would be associated with the example of a sixth-grade boy in Palo Alto, California.
Introduction: In the United States, the Genetic Information Nondiscrimination Act (GINA) was signed into law in 2008.
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The family of a sixth-grade boy in Palo Alto, California, wasinformed by school administrators that he would have to transferout of his middle school because they believed his mutation ofthe CFTR gene, which does not produce any symptoms associatedwith cystic fibrosis, posed a risk to other students at the schoolwho have cystic fibrosis. After missing 11 days of school, a settlementwas reached to have the boy return to school. What ethicalproblems might you associate with this example?
A couple with a child affected with DBA undergoes in vitro fertilization (IVF) and genetic testing of the resulting embryos to ensure that the embryos will not have DBA. However, they also want the embryos screened to ensure that the one implanted can serve as a suitable donor for their existing child. Their plan is to have stem cells from the umbilical cord of the new baby transplanted to their existing child with DBA, thereby curing the condition. What are the ethical pros and cons of this situation?
Gene mutations can be classified in two major ways:(1) hereditary or germline mutations that are inherited from a parent and are present throughout a person’s life in virtually every cell in the body.(2) acquired or somatic mutations that occur at some time during a person’s life and are present only in certain cells, not in every cell in the body.If there is no family history of a particular disease but a child has the disease then it may have arisen due to a(n) ________ mutation early during development.
A) acquired
B) inherited
C) silent
D) transition
Chapter 22 Solutions
Concepts of Genetics (12th Edition)
Ch. 22 - In order to vaccinate people against diseases by...Ch. 22 - Prob. 2NSTCh. 22 - Prob. 1CSCh. 22 - Prob. 2CSCh. 22 - Prob. 3CSCh. 22 - HOW DO WE KNOW? In this chapter, we focused on a...Ch. 22 - Prob. 2PDQCh. 22 - Why are most recombinant human proteins produced...Ch. 22 - One of the major causes of sickness, death, and...Ch. 22 - Sequencing the human genome, the development of...
Ch. 22 - Prob. 6PDQCh. 22 - As genetic testing becomes widespread, medical...Ch. 22 - Prob. 8PDQCh. 22 - Prob. 9PDQCh. 22 - Does genetic analysis by ASO testing allow for...Ch. 22 - Maternal blood tests for three pregnant women...Ch. 22 - What is the main purpose of genome-wide...Ch. 22 - Describe how the team from the J. Craig Venter...Ch. 22 - Prob. 14PDQCh. 22 - Prob. 15PDQCh. 22 - Dominant mutations can be categorized according to...Ch. 22 - In 2013 the actress Angelina Jolie elected to have...Ch. 22 - Prob. 18PDQCh. 22 - Should the FDA regulate direct-to-consumer genetic...Ch. 22 - Prob. 20ESPCh. 22 - Following the tragic shooting of 20 children at a...Ch. 22 - Private companies are offering personal DNA...Ch. 22 - Prob. 23ESPCh. 22 - Prob. 24ESPCh. 22 - Prob. 25ESPCh. 22 - Craig Venter and others have constructed synthetic...
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- define the term name as Missense mutationsarrow_forwardCap, EA1, and Sap are all genes/proteins of interest in this study. For each gene, what gene product is encoded and where is the gene (the literal DNA sequence) located physically in the cell? I need help fimiding this in the artticle and answer as short as possible https://www.ncbi.nlm.nih.gov/pmc/articles/PMC106848/arrow_forwardA neutral mutation is, by definition, a mutation that does not result in the change of the encoded amino acid sequence of a gene. 1)True 2)Falsearrow_forward
- It has been suggested that it would make the study of human diseases easier if cloned transgenic animals were produced that carried faulty versions of human genes (e.g., the gene that causes cystic fibrosis). a. Why would such animals be useful in medical research? : b. What ethical questions are raised by the creation of such transgenic animals?arrow_forwardThe genetic alteration responsible for sickle-cell anemia in humans involves: a transition mutation from A to G, substituting glutamic acid for valine in a-globin a transversion mutation from T to A, substituting valine for glutamic acid in b-globin a transition mutation from T to C, substituting valine for glutamic acid in b-globin a transversion mutation from G to C, substituting glutamic acid for valine in a-globin a frameshift mutation of one ATC codon, removing glutamic acid from b-globinarrow_forwardCystic fibrosis (CF) is a genetic disorder affecting a number of organs, including the lung airways, pancreas, and sweat glands. Mutations in both copies of the CFTR gene causes cystic fibrosis. Imagine that you have sweat gland samples from several Cystic Fibrosis patients (A-C) with unknown mutations in CFTR. You also have normal (+) sweat gland sample to use as a positive control. А В С А В С Choose which mutation would explain the RNA and protein results in A, B, & C: 1. Promoter/Regulatory mutation 2. Silent mutation 3. Missense mutation 4. Deletion mutation 5. Splice site mutation 6. Nonsense mutation RNA gel Protein gelarrow_forward
- A couple comes into the family counseling center and wants information on genetic counseling. They are thinking of starting a family but the wife has a family history of Tay Sachs disease. Kieran is a genetic counselor who will explain the services available at the center. Kieran’s discussion will include genetic mutation, tests that may be done during pregnancy, and advances being made in genetic therapy. What information can Kieran give the couple regarding the services of the genetic counseling center?arrow_forwardAs a genetic counselor, you are asked to assess the risk for a couple with a family history of familial adenomatous polyposis (FAP) who are thinking about having children. Neither the husband nor the wife has colorectal cancer, but the husband has a sister with FAP. What is the probability that this couple will have a child with FAP? Are there any tests that you could recommend to help in this assessment?arrow_forwardDiscuss in a minimum of 300 words the social and ethical issues associated with genome research.arrow_forward
- You are working in the lab with two known carcinogens found in cigarette smoke: Benzo(a)pyren (BaP) and nitrosamine ketone (NNK). BaP is an aromatic hydrocarbon and the mechanism of carcinogenesis is through oxidation reactions with DNA. NNK is a nitrosoamine. Describe how these two kinds of carcinogens lead to mutations. (Be detailed. Remember you are graded on effort/completeness.)arrow_forward45) A patient's mother died from an incurable neurological disease. The patient wants to test his 3-year-old daughter for the mutation. You advise him: A) B) ANS. B have her testes because she can be helped Delay it till she is an adultarrow_forwardCx is a member of the family of connexin genes that encode the proteins of gap junction intercellular channels. Cx proteins in one cell form hemi-channels in the plasma membrane. Hemi-channels in adjacent cells dock to form complete intercellular channels through which ions and small molecules diffuse from cell to cell. Distinct Cx mutations were identified in three different families, F1, F2 and F3, affected by the same disease. To study their functional properties, normal (wild type, wt) and mutant (m) Cx proteins were expressed in cultured cells. Translation of the proteins was checked (Fig. 3). A extracellular EC 1 SM TM 1 membrane 2 3 4 F10 intracellular N F2 EC 2 F3 oricand c B 42 kDa C 42 kDa 35 kDa Control wt m-F1 m-F2 PM C PM C PM C PM C Western blot anti-Cx Control wt PM C m-F1 PM C PM C = Metabolically labelled m-F2 PM C m-F3 PM C m-F3 PM C WSEY Fig. 3 mont (A). Membrane topology of Cx protein indicating positions of mutations. Cx is an integral membrane protein with 4…arrow_forward
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