The study of genes is called genetics. There are two types of genetic material and these are DNA and RNA.
The correct answer is DNA elongation.
What is DNA replication?
The formation of the new DNA from the Old DNA is called DNA replication. All the DNA is made up of nucleotides.
According to the question, the second step is DNA elongation in which the helix is open and read for the formation of a new strand.
Hence, the correct answer is DNA elongation.
For more information about the DNA, refer to the link:-
https://brainly.in/question/9531558
