Answer: The semi-conservative model, in which each strand of DNA serves as a template to make a new, complementary strand, seemed most likely based on DNA's structure. The models were tested by Meselson and Stahl, who labeled the DNA of bacteria across generations using isotopes of nitrogen.
Explanation:
https://www.khanacademy.org/science/biology/dna-as-the-genetic-material/dna-replication/a/mode-of-dna-replication-meselson-stahl-experiment?sa=X&ved=2ahUKEwjyq4383MzxAhXYr54KHebsCoMQ9QF6BAgEEAI
It would look like this ^
Hope this helps if im wrong just tell me
