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 the gene coding for the p53
protein, preventing production of the protein.
Which statement explains why this mutation may cause cancer?
1 )
Cells with no p53 are able to undergo mitosis.
Cells with no p53 replicate their damaged DNA.
3 )
The carcinogen in cigarette smoke increases the rate of cell division.
4 )
The mutated p53 causes uncontrolled cell division.
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