The Soviet Union
but the first man on the moon was the US
During S phase the two strands of the double helix are separated by enzymes.
Two DNA strands are synthesized that are complementary to each original strand.
DNA polymerase proofreads each DNA strand.
The two copies of DNA with a complete set of genes separate from each other in the anaphase of mitosis.
I think the answer is the individuals born per unit time.