Mutations in Human DNA Rarely Impair Normal Cell Function Because

Multiple Choice

Mutations in human DNA rarely impair normal cell function because

A) repair of DNA prevents all mutations from ever causing damage to a cell.
B) damaged cells commit "suicide" to prevent damage to the body.
C) cells have one major repair enzyme that corrects the mutations quickly.
D) multiple DNA repair enzymes usually quickly correct the mutations before any damage can occur.
E) the cells attack dysfunctional gene products, averting damage to the cell.