Final answer:
DNA synthesis occurs in the 5' to 3' direction. The leading strand is synthesized continuously in the same direction as the replication fork, while the lagging strand is synthesized in short stretches called Okazaki fragments.
Step-by-step explanation:
DNA synthesis, also known as replication, occurs in the 5' to 3' direction. The template strand is read by DNA polymerase in the 3' to 5' direction. The leading strand is synthesized continuously, in the same direction as the replication fork, while the lagging strand is synthesized in short stretches called Okazaki fragments, away from the replication fork.