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12号染色体

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12号染色体
一对12号人类的染色体 (位于G显带之后)。
一条来自于父亲,另一条来自于母亲。
一对12号人类(男性)染色体的核型
特征
长度(bp133,275,309
基因数量1,950
类型常染色体
着丝粒位置Submetacentric [1]
标识符
RefSeqNC_000012
GenBankCM000674
12号染色体
12号染色体
物种 Homo sapiens
基因数量 1,950

12号染色体是人类23对染色体中的一对,正常人拥有2条12号染色体。12号染色体缠绕了约1亿3300万碱基对(构筑DNA的材料),并包含了人类细胞中约4%至4.5%的DNA。每条染色体上的基因识别是遗传研究活跃的领域。因为研究人员使用不同的方法来进行对于每一条染色体基因数目的预测,而基因数目的估计会有所变化。12号染色体的基因数目有可能介于1000个至1300个。

疾病或症状

下列与12号人类染色体的基因异常有关的疾病或症状:

参考资料

  1. ^ Table 2.3: Human chromosome groups. Human Molecular Genetics 2nd. Garland Science. 1999. 
  2. ^ Riaz N; Steinberg S; Ahmad J; et al. Genomewide significant linkage to stuttering on chromosome 12. Am. J. Hum. Genet. April 2005, 76 (4): 647–51 [2016-03-02]. PMC 1199301可免费查阅. PMID 15714404. doi:10.1086/429226. (原始内容存档于2019-01-11). (英文)

其他

  • Gilbert F, Kauff N. Disease genes and chromosomes: disease maps of the human genome.Chromosome 12. Genet Test. 2000, 4 (3): 319–33. PMID 11142767. doi:10.1089/10906570050501588. (英文)
  • Montgomery KT, Lee E, Miller A, Lau S, Shim C, Decker J, Chiu D, Emerling S, Sekhon M, Kim R, Lenz J, Han J, Ioshikhes I, Renault B, Marondel I, Yoon SJ, Song K, Murty VV, Scherer S, Yonescu R, Kirsch IR, Ried T, McPherson J, Gibbs R, Kucherlapati R. A high-resolution map of human chromosome 12. Nature. 2001, 409 (6822): 945–6. PMID 11237017. doi:10.1038/35057174. (英文)

参见

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12号染色体
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