DNA Replication Is Highly Accurate

Multiple Choice

DNA replication is highly accurate.It results in about one mistake per billion nucleotides.For the human genome,how often would errors occur?

A) on average,once or twice in the lifetime of an individual
B) on average,6 times each time the entire genome of a cell is replicated
C) on average,once every 6 cell divisions
D) on average,once a lifetime in 10% of the population