What Is Life? A Guide to Biology with Physiology
4th Edition
ISBN: 9781319065447
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 7, Problem 8MC
Summary Introduction
Introduction:
Genetic screening is the process of testing for the presence of a gene or a specific allele in an individual.
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What is preimplantation genetic testing? Give an example of a condition screened for? Do you agree with preimplantation screening and what are some of the ethical concerns surrounding the practice?
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What Is Life? A Guide to Biology with Physiology
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- Non-additive genetic factors make children less resemble their parents true and false (with explain)arrow_forwardNon-invasive methods of prenatal genetic testing are used before invasive methods. Why do you think that is?arrow_forwardWhat is an example of why genetic testing is done on prospective parents?arrow_forward
- Imagine that you are in your late 30s or early 40s and decide that you want a child. You realize that you’re at greater risk of having a child with Down’s Syndrome. What sorts of genetic screening are available today? If you find out that this child has this condition, do you think it’s appropriate to have an abortion? Why or why not? Question: Does elective abortion of fetuses with physical or other developmental disabilities have an effect on the perception of personhood, dignity, and rights in society? Explain.arrow_forwardA particular person is said to be a carrier of a genetic trait. What does this tell you about their phenotype? (a) They physically show the trait. (b) They physically show the trait more than a noncarrier would show the trait.(c) They are almost normal but show an intermediate phenotype for the trait. (d) They are completely normal and do not physically show the trait.arrow_forwardDo you think that everyone should be required to have genetic counseling before having a baby? WHY or WHY not? If required, what do you envision the testing and counseling looking like? What would be the advantages and disadvantages of this service? What are the benefits and consequences of genetic manipulation? Give at least one of each EVEN if you strongly believe in either the benefits or the negative consequences. What type of genetic manipulation, if any, do you believe should be allowed when conceiving/creating a child? Should parents be allowed to manipulate the sex of their baby, check and fix genetic disorders, choose eye color, create a "superbaby"? Why or why not? Do you think age should be a factor in deciding to have children? Should age, both young and old, considerations be made when considering conceiving a child? What about adopting children? Should laws be made regarding too young or too old for adoption qualifications? Should marital status matter? Please…arrow_forward
- Compare and contrast genetic testing versus genetic screening.arrow_forwardSolve the following genetics problem: (1)Assume that you are a lawyer working in a family law and divorce practice. Your client, a lady that just had a child, is seeking financial support from her millionaire ex-boyfriend. The medical records that was provided are the following: (A) Your client's blood type is O . (B) The alleged father of the child blood type is AB positive. (C) The child's blood type is O. While conferring with your client you advise her the following ...Explain your answer using Mendelian Genetics language. ...arrow_forwardWill insurance companies be able to deny coverage or even treatment of illnesses that can now be revealed through in utero genetic testing?arrow_forward
- Identify a possible advantage and a possible disadvantage of a genetic test that would identify genes in individuals that increase their probability of having Alzheimer’s disease later in life.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_forwardMany genetic counselors will not provide presymptomatic genetic testing for Huntington disease to people below the age of 18. Why are there concerns about offering this and many other genetic tests to minors? What types of presymptomatic genetic testing might be appropriate for minors?arrow_forward
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