A gene codes for the production of a protein, p53, that binds to damaged DNA during interphase and prevents its replication. A carcinogen in cigarette smoke mutates this gene.
Which statement explains why this mutation may cause cancer?
1 )
Lack of p53 allows cells to undergo mitosis.
Lack of p53 allows cells with damaged DNA to replicate.
3 )
The carcinogen in cigarette smoke increases the rate of cell division.
4 )
The p53 causes uncontrolled cell division.
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