EP HUMAN BIOLOGY-MODIFIED MASTERING
8th Edition
ISBN: 9780134326436
Author: Johnson
Publisher: PEARSON CO
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Question
Chapter 19, Problem 2QC
Summary Introduction
To review:
The need for genetic counseling prior to the purchase of a genetic test. Also, the counseling after the test in case of negative findings.
Introduction:
Genetic counseling is a process in which an expert will give the advice to the people or family members who are at risk of inheriting the genetic disorder. Counselor makes aware of their condition and tries to soothe them during the course of their detection.
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Chapter 19 Solutions
EP HUMAN BIOLOGY-MODIFIED MASTERING
Ch. 19 - If you might be a carrier of a gene for an...Ch. 19 - Prob. 2QCCh. 19 - Prob. 1CRCh. 19 - Prob. 2CRCh. 19 -
3. Distinguish between genotype and phenotype.
Ch. 19 - Describe the contributions of Mendel to the field...Ch. 19 - Explain how alterations of chromosome number and...Ch. 19 - Prob. 6CRCh. 19 - Prob. 7CRCh. 19 - Describe what is meant by sex-linked inheritance.
Ch. 19 -
9. Explain why lethal diseases caused by dominant...Ch. 19 - Prob. 10CRCh. 19 - All of the following statements about homologous...Ch. 19 - Prob. 2TYCh. 19 -
3. Which of the following statements correctly...Ch. 19 - Prob. 4TYCh. 19 - Prob. 5TYCh. 19 - Prob. 6TYCh. 19 - Prob. 7TYCh. 19 - Which of the following results in the separation...Ch. 19 - Prob. 9TYCh. 19 - Prob. 10TYCh. 19 - What tool is used to determine the probabilities...Ch. 19 - Prob. 12TYCh. 19 - What is the basis for the tremendous genetic...Ch. 19 - Prob. 14TYCh. 19 -
15. Which of the following events or processes...Ch. 19 -
1. What fraction of the offspring of two...Ch. 19 -
2. Why is it that the range of resting blood...Ch. 19 - Prob. 3AWKCh. 19 - Geneticists often study patterns of gene transfer...Ch. 19 - Prob. 5AWKCh. 19 - Prob. 6AWKCh. 19 - Nondisjunction during meiosis can lead to the...
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- What is genetic counseling? Briefly describe genetic counseling and give an example.arrow_forwardWhat are the genetic disorders that we can done treatment by using gene therapy? Please answer at your own words, please.arrow_forwardWhat are the genetic disorders that can be treated by using gene therapy? Please answer at your own words, please.arrow_forward
- Read the linked policy from the Canadian Pediatric Society. Describe some of the guidelines that are in place to help people understand and make decisions about genetic testing. http://www.cps.ca/documents/position/guidelines-for-genetic-testing-of-healthy-childrenarrow_forwardDetermine the advice that a genetic counsellor can give to the parents about MERFF that might develop in their child and the respective tests.arrow_forwardMatch the following : Genetic testing Genetic screening Genetic screening programs Genetic screening opportunities A test with high senstivity A test with high specificity predictive tests Pre- symptomatic tests Pre dispositional test involves testing individuals for the genetic change underlying a condition for which there is no evidence. can show that an individual is more likely than others to develop a specified condition. indicate the presence of a causative genotype but the onset of signs and symptoms is not certain. are offered as part of our public health service. do not include conditions that show incomplete penetrance. is performed cases where the onset of signs and symptoms is considered inevitable. involves testing individuals for the genetic change underlying a condition for which there is evidence. has a low false positive rate has a low false negative ratearrow_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 types of genetic testing can be done to give the couple more information?arrow_forwardYou 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_forwardA couple has had a child born with neurofibromatosis. They come to your genetic counseling office for help. After taking an extensive family history, you determine that there is no history of this disease on either side of the family. The couple wants to have another child and wants to be advised about the risks of that child having neurofibromatosis. What advice do you give them?arrow_forward
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