Question

What is the role of the two original DNA strands in replication?

Answer 1

During DNA replication, each of the two strands that make up the double helix serves as a template from which new strands are copied. ... This is known as semiconservative replication. When two DNA copies are formed, they have an identical sequence of nucleotide bases and are divided equally into two daughter cells.

Answer 2

DNA replication occurs through the help of several enzymes. These enzymes "unzip" DNA molecules by breaking the hydrogen bonds that hold the two strands together. Each strand then serves as a template for a new complementary strand to be created. Complementary bases attach to one another (A-T and C-G).

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