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Chapter 7, Problem 8MC
Summary Introduction

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Genetic screening is the process of testing for the presence of a gene or a specific allele in an individual.

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A couple contemplating a pregnancy are in today for an appointment at a genetic counselling clinic to identify and interpret their risk of an inherited disorder. The explains during teaching that the following statements are true about genetic counseling EXCEPT a. Talking about rewarding gene therapy b. Performing appropriate genetic testing c. Constructing family pedigree up to the third degree d. Refer to support groups e. Collecting health files about affected family members
Mrs. Xexy Lucero, GO, 25 years old asks Nurse Zasha about pre symptomatic genetic testing for Huntington's disease. Nurse Zasha should base her response on which of the following? (Select all that apply) a. One of the parents died of Huntington's disease b. if the woman is negative for the gene, her children should be tested to see whether or not they are carriers c. Presymptomatic testing cannot predict whether or not the gene will be expressed. d. If the woman is positive for the gene Huntington's, she will develop the disease later in life e. Both parents are carriers
Please Answer with reason: 3) The nurse is explaining the inheritance of Huntington disease (autosomal dominant) to a newly diagnosed patient whose partner does not have the gene mutation. Which statement should the nurse make regarding family planning? a.         There is a 100% chance with each pregnancy that the child will inherit the gene for Huntington disease. c.         There is a 50% chance with each pregnancy that the child will inherit the gene for Huntington disease  b.         There is a 25% chance with each pregnancy that the child will inherit the gene for Huntington disease  d.         There is a 0% chance with each pregnancy that the child will inherit the gene for Huntington disease.
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How to solve genetics probability problems; Author: Shomu's Biology;https://www.youtube.com/watch?v=R0yjfb1ooUs;License: Standard YouTube License, CC-BY
Beyond Mendelian Genetics: Complex Patterns of Inheritance; Author: Professor Dave Explains;https://www.youtube.com/watch?v=-EmvmBuK-B8;License: Standard YouTube License, CC-BY