InstructionsExplain 1 way each of the following canoccur. In your answer, say whether non-disjunction occurs in the father ormother and whether it occurs in thefirst or second division. There may bemore than one possible way for theseerrors to occur, you only need to listone way.XXYYO (An embryo with no X chromosome,but has a Y chromosome) They will notsurvive)

Answered: XXY YO (An embryo with no X chromosome,…

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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Instructions
Explain 1 way each of the following can
occur. In your answer, say whether non-
disjunction occurs in the father or
mother and whether it occurs in the
first or second division. There may be
more than one possible way for these
errors to occur, you only need to list
one way.
XXY
YO (An embryo with no X chromosome,
but has a Y chromosome) They will not
survive)

Expert Solution

Introduction

Non-disjunction

It is a genetic disorder that occurs during cell division, specifically during meiosis. In normal meiotic division, chromosomes separate and are distributed equally to the daughter cells. However, in the case of non-disjunction, the chromosomes fail to separate properly. This results in uneven distribution of chromosomes to the daughter cells. This results in cells with too many or too few chromosomes.

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