人類的19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1300到1700個基因，依預測方式而有所不同。
| 19號染色體
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|
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| 物種
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Homo sapiens
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| 基因數量
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1300-1700
|
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