人類的20號染色體是23對染色體的其中之一，正常狀況下每個細胞擁有兩條。此染色體含有大約6300萬個鹼基對，佔細胞內所有DNA的2%到2.5%。其中有超過900個基因，依預測方式而有所不同。
| 20號染色體 | |
|---|---|
 | |
| 物種 | Homo sapiens |
| 基因數量 | >900 |
參考文獻
- 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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