Answered: Q1. A woman with Turner syndrome is…

Name: Q1. A woman with Turner syndrome is found to be color-blind (an X-link
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Description: Q1. A woman with Turner syndrome is found to be color-blind (an X-linked recessive phenotype). Both her mother and her father have normal vision. a) Explain the simultaneous origin of Turner syndrome and color blindness by the abnormal behavior of c

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter20: Chromosomes And Human Genetics

Section: Chapter Questions

Problem 2CT: Human sex chromosomes are XX for females and XY for males. a. With respect to an X-linked gene, how...

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Q1. A woman with Turner syndrome is found to be color-blind (an X-linked recessive phenotype). Both her mother and her father have normal vision.

a) Explain the simultaneous origin of Turner syndrome and color blindness by the abnormal behavior of chromosomes at meiosis.

b) Can your explanation distinguish whether the abnormal chromosome behavior occurred in the father or the mother?

c) Can your explanation distinguish whether the abnormal chromosome behavior occurred at the first or second division of meiosis?

d) Now assume that a color-blind Klinefelter man has parents with normal vision, and answer parts a, b, and c again.

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