Which of the following statements about gene expression is incorrect?

ASome genes express their products as proteins
BSome genes express their products as RNA
CSome genes undergo processes like transcription and translation
DAlways involves processes like transcription and translation

Correct answer: D. Always involves processes like transcription and translation

Gene expression does not always involve both transcription and translation. Some genes can be expressed through only the process of transcription, such as in the case of RNA genes.

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