EXAMPLE 2: The parents in the family above produce another son, this time with two Y chromosomes and normal tooth enamel.In which parent did the nondisjunction occur? Explain and/or illustrate.Did nondisjunction occur at meiosis I or II? Explain and/or illustrate.What sex chromosomes are in the child’s somatic cells?This was not answered

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Description: EXAMPLE 2: The parents in the family above produce another son, this time with two Y chromosomes and normal tooth enamel.In which parent did the nondisjunction occur? Explain and/or illustrate.Did nondisjunction occur at meiosis I or II? Explain and/

Answered: EXAMPLE 2: The parents in the family…

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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EXAMPLE 2: The parents in the family above produce another son, this time with two Y chromosomes and normal tooth enamel.

In which parent did the nondisjunction occur? Explain and/or illustrate.
Did nondisjunction occur at meiosis I or II? Explain and/or illustrate.
What sex chromosomes are in the child’s somatic cells?

This was not answered

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Non disjunction is a event where either homologous chromosomes in meiosis I or sister chromatids in meiosis II or mitosis fail to separate. Non disjunction results in aneoploidy with imbalanced number of chromosomes inherited by offsprings.

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