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?關(guān)于基因的定義，Molecular Biology of the Cell 給出的解釋是：

gene: Region of DNA that is transcribed as a single unit and carries information for a discrete hereditary characteristic, usually corresponding to (1) a single protein (or set of related proteins generated by variant post-transcriptional processing), or (2) a single RNA (or set of closely related RNAs).

From Molecular Biology of the Cell Sixth Edition, Bruce Alberts et al. (2015) Garland Science