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12号染色体

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12号染色体
一對12號人類的染色體 (位於G顯帶之後)。
一條來自於父親,另一條來自於母親。
一對12號人類(男性)染色體的核型
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號染色體
12號染色體
物種 Homo sapiens
基因數量 1,950

12號染色體是人類23對染色體中的一對,正常人擁有2條12號染色體。12號染色體纏繞了約1億3300萬鹼基對(構築DNA的材料),並包含了人類細胞中約4%至4.5%的DNA。每條染色體上的基因識別是遺傳研究活躍的領域。因為研究人員使用不同的方法來進行對於每一條染色體基因數目的預測,而基因數目的估計會有所變化。12號染色體的基因數目有可能介於1000個至1300個。

疾病或症狀

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下列與12號人類染色體的基因異常有關的疾病或症狀:

參考資料

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  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

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  • 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)

參見

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12号染色体
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