Chapter 14, Problem 3GP

Summary Introduction

To determine:

The chromosome abnormality involving two normal-appearing chromosomes $\text{21}$ and a longer-than-normal chromosome $\text{14}$ in individuals with Down syndrome containing forty-six chromosomes.

Introduction:

Aneuploidy is a condition involving many or few copies of a particular chromosome. Monosomy $\left(\text{2n-1}\right)$ and trisomy $\left(\text{2n +1}\right)$ are the two common types of aneuploidy in an organism.