Multiple Choice
Which of the following statements about gene expression is true?
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16. Regulation of Expression
Introduction to Regulation of Gene Expression
Multiple Choice
The enhancer shown in the diagram is able to regulate transcription of which genes?
A
Genes located on different chromosomes
B
Genes located on the same chromosome as the enhancer
C
Genes that are located in the mitochondria
D
Genes that are not expressed in the cell type shown
Verified step by step guidance1
Understand the role of enhancers: Enhancers are DNA sequences that can increase the transcription of genes. They are typically located on the same chromosome as the genes they regulate.
Identify the location of the enhancer: Enhancers can regulate genes that are located on the same chromosome, but not genes on different chromosomes or in organelles like mitochondria.
Consider the cell type specificity: Enhancers can be cell type-specific, meaning they only regulate genes that are expressed in certain cell types.
Evaluate the options: Based on the enhancer's characteristics, determine which genes it can regulate. It cannot regulate genes on different chromosomes or genes in mitochondria.
Conclude the regulation scope: Enhancers regulate genes on the same chromosome and can be specific to the cell type, affecting only genes expressed in that cell type.
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