<h3>Answer</h3><h2><em><u>Unwinding the double helix</u></em></h2><h3>Explanation:</h3>
The initial start in DNA replication is the unwinding of the pair DNA strands that make up the helix that is to be replicated. DNA Helicase untwists the helix at positions called replication origins. The replication origin produces a Y pattern and is named as a replication fork.
