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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Promoter sequence is an example for
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The correct answer is  Trans acting factors control the expression of cis-regulatory element Cis-regulatory elements are DNA sequences present on the same molecule of DNA (chromosome) as the gene they regulate. E.g. Promoter is a cis-regulated element usually located upstream of the transcribed region. Enhancers are cis-regulatory elements that can be located upstream, downstream, within the introns,