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| + | [[File:BrunaliChromosomes.jpg|thumb|A comparison of [[Icheb]]'s chromosomes to those of a typical [[Brunali]] male]] |
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| − | A '''chromosome''' is a long, continuous strand of [[DNA]] that contains [[gene |
+ | A '''chromosome''' is a long, continuous strand of [[DNA]] that contains [[gene]]s and regulatory elements. It is a [[molecule|macromolecular]] unit of genetic information. [[Human]]s had 23 chromosome pairs. |
| + | Chromosomes could be negatively impacted by: |
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| − | ==Referencs== |
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| + | *excess or deficiency of trace [[element]]s; |
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| + | *industrial waste byproducts in air and [[water]]; |
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| + | *vitamin deficiencies: |
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| − | *[[Captain]] [[Kathryn Janeway|Janeway]] [[joke|jokingly]] asks [[Mortimer Harren]] "how's your 13th chromosome?" while on an [[away mission]] in the ''[[Delta Flyer]]''. ([[VOY]]: "[[Good Shepherd]]") |
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| + | *[[virus|viral]] contaminants; |
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| + | *[[magnetic field]] failure; |
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| + | *increase in visible light; |
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| + | *[[potassium]] overexposure; |
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| + | *[[calcium]] resorption; |
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| + | *long-term [[disease]] exposure; |
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| + | *extraterrestrial diseases; |
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| + | *airborne particles (inert or carcinogenic); |
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| + | *gravitational variations; |
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| + | *solar field variations; |
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| + | *[[neutrino]] bombardment; |
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| + | *chemical exposure; |
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| + | *nuclear [[radiation]]; |
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| + | *[[gamma ray]] exposure; |
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| + | *[[ultraviolet radiation]]; and |
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| + | *[[parasite|parasitic]] organisms. ({{TNG|When The Bough Breaks}}) |
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| + | {{bginfo|This was not the full list of environmental factors which could have impacted the chromosomes in the ''Star Trek'' universe. There were other factors, some unreadable, some puzzling, and some intended as in-jokes, such as Bad Personal Hygiene or Red Dye Number Two.}} |
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| + | In [[2369]], [[Julian Bashir]] and [[Jadzia Dax]] ran a chromosome [[sensor|scan]] of a [[clone]] of [[Ibudan]]. ({{DS9|A Man Alone}}) |
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| + | The [[Brunali]] made [[genetic engineering|microgenetic alterations]] in the 3rd, 13th, and 17th chromosomes of certain children so that they would produce a [[spaceborne virus]], turning them into weapons against the [[Borg]]. ({{VOY|Child's Play}}) |
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| + | During an [[away mission]] in the ''[[Delta Flyer]]'' in [[2376]], [[Mortimer Harren]] asserted that genetics, not environment, were the determining factor in personality. In response, [[Captain]] [[Kathryn Janeway|Janeway]] [[joke|jokingly]] asked, "''How's your 13th chromosome? Missing a couple of base pairs in gene 178?''" ({{VOY|Good Shepherd}}) |
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| + | {{bginfo|This was likely a reference to the chromosome considered responsible for development.}} |
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| + | [[de:Chromosom]] |
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Revision as of 16:36, 24 April 2015
A comparison of Icheb's chromosomes to those of a typical Brunali male
A chromosome is a long, continuous strand of DNA that contains genes and regulatory elements. It is a macromolecular unit of genetic information. Humans had 23 chromosome pairs.
Chromosomes could be negatively impacted by:
- excess or deficiency of trace elements;
- industrial waste byproducts in air and water;
- vitamin deficiencies:
- viral contaminants;
- magnetic field failure;
- increase in visible light;
- potassium overexposure;
- calcium resorption;
- long-term disease exposure;
- extraterrestrial diseases;
- airborne particles (inert or carcinogenic);
- gravitational variations;
- solar field variations;
- neutrino bombardment;
- chemical exposure;
- nuclear radiation;
- gamma ray exposure;
- ultraviolet radiation; and
- parasitic organisms. (TNG: "When The Bough Breaks")
In 2369, Julian Bashir and Jadzia Dax ran a chromosome scan of a clone of Ibudan. (DS9: "A Man Alone")
In 2372, The Doctor used undamaged chromosomes from Denara Pel's cerebellum to recreate her original DNA code. (VOY: "Lifesigns")
When the Silver Blood USS Voyager and its crew began to deteriorate from subspace radiation in 2375, The Doctor found that their chromosomes were breaking down on a molecular level. (VOY: "Course: Oblivion")
The Brunali made microgenetic alterations in the 3rd, 13th, and 17th chromosomes of certain children so that they would produce a spaceborne virus, turning them into weapons against the Borg. (VOY: "Child's Play")
During an away mission in the Delta Flyer in 2376, Mortimer Harren asserted that genetics, not environment, were the determining factor in personality. In response, Captain Janeway jokingly asked, "How's your 13th chromosome? Missing a couple of base pairs in gene 178?" (VOY: "Good Shepherd")