In a Typical Human Cell, DNA Polymerase Synthesizes DNA at a Rate

In a typical human cell, DNA polymerase synthesizes DNA at a rate of approximately 50 nucleotides per second.Human chromosome 1 contains about 250 million base pairs.If a single origin of replication were used, how long would it take the cell to copy this chromosome?

A) less than 24 hours
B) 1 to 2 days
C) 1 to 2 weeks
D) 50 to 60 days
E) 110 to 120 days