EBK BIOLOGY:SCIENCE F/LIFE
6th Edition
ISBN: 9780134819167
Author: BELK
Publisher: PEARSON
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Chapter 6, Problem 1GFO
Summary Introduction
To identify:
The information that can be provided or not by genetic testing.
Introduction:
Genetic testing is the study of the DNA of a person in order to recognize the genetic differences or exposure to certain abnormalities or diseases.
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Chapter 6 Solutions
EBK BIOLOGY:SCIENCE F/LIFE
Ch. 6 - Describe three ways that cancer cells differ from...Ch. 6 - Prob. 2LTBCh. 6 - A cell that begins mitosis with 46 chromosomes...Ch. 6 - The centromere is a region at which ___________....Ch. 6 - Prob. 5LTBCh. 6 - At metaphase of mitosis, ___________. the...Ch. 6 - Sister chromatids ___________. are two different...Ch. 6 - DNA polymerase ___________. attaches sister...Ch. 6 - Prob. 9LTBCh. 6 - In what ways is the cell cycle similar in plant...
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- In this video https://www.youtube.com/watch?v=PXPIu8LazqI 1. Of all the latest innovations mentioned, why direct-to-consumer genetic testing is the most useful specially in our "New Normal" setup? How it can be helpful?arrow_forwardWhat do you think the risks and benefits are of genetic testing?arrow_forwardWhat impact does DTC genetic testing have on the health care field? (primary physicians, genetic counselors,)arrow_forward
- Do you think it is ethical (morals: right or wrong), safe, and helpful for scientists to continue with genetic engineering? Write a paragraph explaining two reasons to support and two to disagree with the practice of genetic engineering.arrow_forwardWhy carry out genetic screening at all?arrow_forwardChoose one genetic technology and explain the ethical, social and legal considerations associated with the technology.arrow_forward
- Since July 2000, Canada has had a DNA bank for criminals. Certain countries are even considering expanding the program to collect DNA from all their citizens and citizens. Identify the advantages and disadvantages of such a project. Benefits : Disadvantages:arrow_forwardMatching a person’s appearance to a DNA sample involves what technique? SNP analysis Base-matching RNA analysis Allele pairingarrow_forwarda) Use the internet to identify current uses of genetic engineering. Explain three different applications: what it is, how it works and its benefits.arrow_forward
- You are a genetic counselor, and your patient has asked to be tested to determine if she carries a gene that predisposes her to early-onset cancer. If your patient has this gene, there is a 50/50 chance that all of her siblings inherited the gene as well; there is also a 50/50 chance that it will be passed on to their offspring. Your patient is concerned about confidentiality and does not want anyone in her family to know she is being tested, including her identical twin sister. Your patient is tested and found to carry a mutant allele that gives her an 85% lifetime risk of developing breast cancer and a 60% lifetime risk of developing ovarian cancer. At the result-disclosure session, she once again reiterates that she does not want anyone in her family to know her test results. a. Knowing that a familial mutation is occurring in this family, what would be your next course of action in this case? b. Is it your duty to contact members of this family despite the request of your patient? Where do your obligations lie: with your patient or with the patients family? Would it be inappropriate to try to persuade the patient to share her results with her family members?arrow_forwardMary and Marcie. identical twins, go to the same internist who is also a faculty member at a major medical center. At their last visit, they each received a brochure describing a genetics research program recently launched by the hospital and its affiliated university. Researchers were asking for volunteers to fill out a questionnaire and a consent form, donate a blood sample, and have their medical records encoded and transferred to a database. The goal was to enroll 100,000 participants, and the brochure noted that over 10,000 people had already agreed to participate. The blood sample would be used to extract DNA. which would be encoded with the same number as the medical records. This DNA would be used to search for genes associated with conditions such as arthritis, diabetes, and Alzheimer disease. The idea is that researchers interested in studying arthritis would use the medical records to identify which participants have the condition and then use DNA from those individuals to find genetic similarities that are not present in participants who do not have arthritis. The genetic similarities help identify regions of the genome that contain genes associated with arthritis. These regions can then be studied in detail to identify and isolate genes that may be associated with arthritis and other inflammatory disorders. In exchange for enrolling, participants would be informed about any genetic conditions or predispositions to genetic disease they carry and would receive free access to testing. After discussing the brochure. Mary decided to enroll, but Marcie decided she did not want to do so. She said she did not want to know what diseases she may develop or which disease genes she may carry. At their next annual visit. Marys internist told her that because her questionnaire indicated that some relatives had Alzheimer disease, her DNA was used in a study to identify risk genes. He said she had been identified as a carrier of a gene that greatly increased the likelihood that she would develop Alzheimer disease. The physician told her that age was the greatest risk factor, and while it was not 100% certain she would become a victim of Alzheimer disease, the gene she carries is a factor in 2025% of all cases. Mary asked if there was anything she could do about these findings. The internist told her that exercise, controlling blood pressure and cholesterol levels, as well as participating in mentally challenging activities such as reading or playing a musical instrument may all help reduce her chances of developing this disease. Mary then asked if Marcie was going to be told about Marys genetic risk, and the internist said that he would not tell her. For the next few days. Mary was conflicted about the situation. Marcie was an Identical twin, and If Mary carried a gene predisposing her to Alzheimer disease. Marcie must carry the same gene. Marcie did not exercise with Mary, had high blood pressure, and little interest in reading or social activities. Mary did not know whether she should tell Marcie. If you were advising Mary, what would you say? Should she tell Marcie about the risk? Should she not tell her, but instead try to get Marcie to exercise and be more social? Should Mary ask their internist to talk with Marcie about this?arrow_forwardPedigree Analysis Is a Basic Method in Human Genetics Pedigree analysis permits all of the following except: a. an orderly presentation of family information b. the determination of whether a trait is genetic c. the determination of whether a trait is dominant or recessive d. an understanding of which gene is involved in a heritable disorder e. the determination of whether a trait is sex-linked or autosomalarrow_forward
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