Down’s syndrome in humans (trisomy 21), with 47 chromosomes in each diploid somatic cell, is characterized by which of the following genetic features?
Down’s syndrome in humans (trisomy 21), with 47 chromosomes in each diploid somatic cell, is characterized by which of the following genetic features?
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 3CT: People with Down syndrome have an extra copy of chromosome 21, for a total of 47 chromosomes....
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. Down’s syndrome in humans (trisomy 21), with 47 chromosomes in each diploid somatic cell, is characterized by which of the following genetic features?
- it involves a duplication of only one chromosome
- it involves a deletion of only one chromosome
- it involves a duplication of the entire genome
- it involves a duplication of only one gene
- it involves a deletion of only one gene
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