Gene expression is highly variable and can change for many reasons, including environmental factors, developmental cues, and internal regulatory mechanisms. This variability in gene expression allows cells to respond to changing conditions and perform specialized functions within a larger organism.

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Gene Expression Is

Question 42

Multiple Choice

Gene expression is

A) nonvariable for cells; it is the same for all cells of the same type.
B) highly variable; it changes for many different reasons throughout the life of a cell.
C) set by internal factors early in the life cycle of a cell and remains the same from that point forward.
D) set by external factors early in the life cycle of a cell and remains the same from that point forward.

Correct Answer: