DNA replication is a semiconservative process where the parental DNA strands separate and each serves as a template to produce two new DNA molecules, each with one original and one new strand. It occurs in three stages: unwinding, base pairing, and joining. During unwinding, enzymes separate the double helix and add RNA primers. Then, DNA polymerase adds complementary bases to each new strand by matching A-T and C-G. The lagging strand replicates in fragments that are later joined.

1. 12.2 Replication of DNA

5. Leading strand- moves in the same direction as the replication fork. It replicates continuously. Lagging strand- moves in the opposite direction. It does NOT replicate continuously.

10. http://highered.mcgraw-hill.com/olcweb/cgi/pluginpop.cgi?it =swf::535::535::/sites/dl/free/0072437316/120076/micro04.swf::DNA%20Replication%20Fork DNA replication animation

12. Gel Electrophoresis