Red-green color blindness is inherited as a recessive X-linked trait. Individuals who are missing one sex chromosome due to meiotic nondisjunction are XO and have Turner syndrome. Two phenotypically normal parents have a child with Turner syndrome that is color blind. Did the nondisjunction happen in the mother or father? Explain your reasoning.

Red-green color blindness is inherited as a recessive X-linked trait. Individuals who are missing one sex chromosome due to meiotic nondisjunction are XO and have Turner syndrome. Two phenotypically normal parents have a child with Turner syndrome that is color blind. Did the nondisjunction happen in the mother or father? Explain your reasoning.

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Description: Need help, please. Red-green color blindness is inherited as a recessive X-linked trait. Individuals who are missing one sexchromosome due to meiotic nondisjunction are XO and have Turner syndrome. Two phenotypically normal parentshave a child with T

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter18: Cell Reproduction

Section: Chapter Questions

Problem 1CT: Normally you cant inherit both copies of a homologous chromosome from the same parent. Why? Assuming...

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Table shows that Turner syndrome occurs when an individualinherits one X chromosome but lacks a second sex chromosome.Can Turner syndrome be due to nondisjunction duringoogenesis, spermatogenesis, or both? If a phenotypically normalcouple has a color-blind child (due to a recessive X-linkedallele) with Turner syndrome, did nondisjunction occur duringoogenesis or spermatogenesis in this child’s parents? Explainyour answer.
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