人类的20号染色体是23对染色体的其中之一，正常状况下每个细胞拥有两条。此染色体含有大约6300万个碱基对，占细胞内所有DNA的2%到2.5%。其中有超过900个基因，依预测方式而有所不同。
| 20号染色体 | |
|---|---|
 | |
| 物种 | Homo sapiens |
| 基因数量 | >900 |
参考文献
- Deloukas, P.; et al. The DNA sequence and comparative analysis of human chromosome 20. Nature. 2001, 414 (6866): 865–71. PMID 11780052.
- Gilbert, F. Disease genes and chromosomes: disease maps of the human genome. Genet Test. 1997, 1 (3): 225–9. PMID 10464650.
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