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Question 31 PART I-Problem Solving A clinical geneticist is investigating a new, rare syndrome, which is believed to be a single gene disorder. The symptoms include impaired cellular respiration, decreased exercise tolerance, and progressive nerve cell death. Filled squares are affected individuals, and the intensity of the shading indicates the severity of the symptoms. Open squares are individuals that show no symptoms. Those marrying in from outside the family can be assumed o be normal genotype. A. What is the mode of inheritance of this condition? Give your reasoning. (21) B. Individual i is asymptomatic but has passed on the disease. Give TWO terms that are appropriate to describe this situation in context. (6) C. What is the risk to future children of individual ii and why? (6)

Question 31 PART I-Problem Solving A clinical geneticist is investigating a new, rare syndrome, which is believed to be a single gene disorder. The symptoms include impaired cellular respiration, decreased exercise tolerance, and progressive nerve cell death. Filled squares are affected individuals, and the intensity of the shading indicates the severity of the symptoms. Open squares are individuals that show no symptoms. Those marrying in from outside the family can be assumed o be normal genotype. A. What is the mode of inheritance of this condition? Give your reasoning. (21) B. Individual i is asymptomatic but has passed on the disease. Give TWO terms that are appropriate to describe this situation in context. (6) C. What is the risk to future children of individual ii and why? (6)

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question 31 PART I-Problem Solving A clinical geneticist is investigating a new, rare syndrome, which is believed to be a single gene disorder. The symptoms include impaired cellular respiration, decreased exercise tolerance, and progressive nerve cell death. Filled squares are affected individuals, and the intensity of the shading indicates the severity of the symptoms. Open squares are individuals that show no symptoms. Those marrying in from outside the family can be assumed o be normal genotype. A. What is the mode of inheritance of this condition? Give your reasoning. (21) B. Individual i is asymptomatic but has passed on the disease. Give TWO terms that are appropriate to describe this situation in context. (6) C. What is the risk to future children of individual ii and why? (6)
Transcribed Image Text:Question 31 PART I-Problem Solving A clinical geneticist is investigating a new, rare syndrome, which is believed to be a single gene disorder. The symptoms include impaired cellular respiration, decreased exercise tolerance, and progressive nerve cell death. Filled squares are affected individuals, and the intensity of the shading indicates the severity of the symptoms. Open squares are individuals that show no symptoms. Those marrying in from outside the family can be assumed o be normal genotype. A. What is the mode of inheritance of this condition? Give your reasoning. (21) B. Individual i is asymptomatic but has passed on the disease. Give TWO terms that are appropriate to describe this situation in context. (6) C. What is the risk to future children of individual ii and why? (6)
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