Multiple Choice
Gene expression is defined as which of the following?
7. Gene Expression
Basics of Gene Expression Control
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In the context of gene expression control, which of the following best explains how genetically identical cells can become specialized (differentiate) into different cell types?
A
Differential gene expression, in which different sets of genes are turned on or off in different cells
B
Different DNA sequences in each cell created during mitosis
C
Random changes in chromosome number that permanently alter cell identity
D
Uniform expression of all genes in all cells, producing identical proteins in every cell type
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