Answer:
The correct answer is: semi-conservative.
Step-by-step explanation:
DNA replication is an important process in which the DNA is duplicated before cell division so each daughter cell can have a copy of genetic material.
DNA replication is semi-conservative because one strand of DNA is new and the other one is the old strand. To replicate itself, the DNA double helix is opened, and then each strand serves as a model for the new strands.
DNA replication is not a one-step process, as it takes several complicated steps in which lots on enzymes participate (like DNA polymerase and DNA helicase).
DNA replication is also carried by prokaryotic cells, though it's a much simpler process.