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Definition of DNA, satellite
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
DNA, satellite: DNA that contains many tandem (not inverted) repeats of a short basic repeating unit. Satellite DNA is located at very specific spots in the genome (on chromosomes 1, 9, 16 and the Y chromosome, the tiny short arms of chromosomes 13-15 and 21 and 22, and near the centromeres of chromosomes).