Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions
The nuclear genome of a single human cell (i.e., the entire diploid complement) contains about 6.6 billion (6.6 × 10⁹) base pairs of DNA. If synthesis at each replication fork occurs at an average rate of 50 nucleotides per second, all the DNA is replicated in 5 minutes. Assume that replication is initiated simultaneously at all origins.
-Assuming that the origins are approximately equally distributed across the chromosomes, what is the average number of origins per human chromosome?

A) 4783
B) 19,130
C) 4.6 × 10⁶
D) 1.21 × 10⁹
E) 2.9 × 10¹⁰