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Terrestrial Origins and Evolution
karyograph
07/28/11

 

A karyograph is one way to display the number of copies of each chromosome in a clone of cells from an individual or a cancer. Here, the karyograph shows the chromosomes of 20 individual cells (represented by black lines) of a normal human male. Each cell has precisely two copies of 22 chromosomes and one copy of each sex chromosome, demonstrating that human cells have a fixed and stable karyotype. Credit: UC Berkeley

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