File:Cytogenetic Banding Nomenclature.png
Cytogenetic_Banding_Nomenclature.png (713 × 590 pixels, file size: 60 KB, MIME type: image/png)
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| Description |
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 |
| Permission (Reusing this file) |
Public Domain |
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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.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 12:46, 25 March 2017 | | 713 × 590 (60 KB) | Was a bee | {{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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