Medical Definition of Banding of chromosomes

  • Medical Author:
    William C. Shiel Jr., MD, FACP, FACR

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

Reviewed on 12/4/2018

Banding of chromosomes: Treatment staining of chromosomes to reveal characteristic patterns of horizontal bands. Thanks to these banding patterns, which resemble bar codes, each human chromosome is distinctive and can be identified without ambiguity. Banding also permits the detection of chromosome deletions (lost segments), duplications (extra segments), and other structural abnormalities.

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Reviewed on 12/4/2018