ID#: 12504
Description: Caption:
This photographic collage depicts the karyotype that would represent the chromosomal configuration seen in a person with Down syndrome. In this particular case, the cells contain an extra chromosome 21, and is therefore, known as trisomy 21 (arrow). A karyotype represents a complete set of chromosomes in each and every eukaryote cell of an individual organism. The chromosomes are arranged in pairs, and aligned using the position of each chromosome’s centromere. Pairs are then arranged into groups A through G, based on size.
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Content Providers(s): CDC/ Allan J. Ebbin, MD, MPH
Creation Date: 1967
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.