File:Cytogenetic Banding Nomenclature.png
Cytogenetic_Banding_Nomenclature.png (713 × 590 pixels, file size: 60 KB, MIME type: image/png)
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DescriptionCytogenetic Banding Nomenclature.png |
English: Cytogenetic Banding Nomenclature. Each human chromosome has a short arm ("p" for "petit") and long arm ("q" for "queue"), separated by a centromere. The ends of the chromosome are called telomeres.
Each chromosome arm is divided into regions, or cytogenetic bands, that can be seen using a microscope and special stains. The cytogenetic bands are labeled p1, p2, p3, q1, q2, q3, etc., counting from the centromere out toward the telomeres. At higher resolutions, sub-bands can be seen within the bands. The sub-bands are also numbered from the centromere out toward the telomere. For example, the cytogenetic map location of the CFTR gene is 7q31.2, which indicates it is on chromosome 7, q arm, band 3, sub-band 1, and sub-sub-band 2. The ends of the chromosomes are labeled ptel and qtel. For example, the notation 7qtel refers to the end of the long arm of chromosome 7. |
Date | Revised 11/07/2007 |
Source | Geer, R.C. & Messersmith, D.J. 2002. Introduction to Molecular Biology Resources. [Online] Available: https://www.ncbi.nlm.nih.gov/Class/MLACourse/Modules/Genomes/map_cytogenetic_bands.html. [date Revised 11/07/2007] |
Author | Geer, R.C. & Messersmith, D.J |
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This image is a work of the National Institutes of Health, part of the United States Department of Health and Human Services, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.
Please ensure that this image was actually created by the US Federal government. The NIH frequently uses commercial images which are not public domain. |
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current | 12:46, 25 March 2017 | 713 × 590 (60 KB) | Was a bee (talk | contribs) | {{Information |Description={{en|1=Cytogenetic Banding Nomenclature. Each human chromosome has a short arm ("p" for "petit") and long arm ("q" for "queue"), separated by a centromere. The ends of the chromosome are called telomeres. Each chromosome arm... |
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