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
What happens if you are missing chromosome 20?
Expert Solution

Step 1
A karyotype is the chromosomal analysis of an organism. It is a procedure in which geneticists organize micrographs of the stained homologous pairs of chromosomes in decreasing size.
Step 2
In a healthy person, there are 46 chromosomes (2n), of these 44 chromosomes in pairs are known as autosomes and each pair is numbered from 1 to 22. A pair of sex chromosomes (allosomes) is numbered as 23, and they determine the sex of the individual (XX is female and XY is male).
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