Final answer:
After DNA replication is completed, the result is two identical DNA molecules.
Step-by-step explanation:
After DNA replication is completed, the result is two identical DNA molecules. This is because during replication, each of the two original strands serves as a template for the synthesis of a new complementary strand. The end result is two new daughter DNA molecules that each contain one pre-existing strand and one newly synthesized strand, making them identical to the original parent DNA. Therefore, the correct answer is A) Two identical DNA molecules.