Question

When DNA is replicated, which of the following is true?
A. Each strand of the double helix serves as a template for a new strand.
B. The DNA is translated into a single strand of mRNA first, then copies are made from the mRNA.
C. The strands are copied then sealed back together, so there is one helix with new strands, and 1 helix with original strands.
D. The original and new DNA strands are mixed together so each helix has pieces of both.

Answer 1

Answer:

a. Each strand of the double helix serves as a template for a new strand.

Answer 2

Each strand of the double helix serves as a template for a new strand. The correct option is A.

What is DNA replication?

The operation by which the genome's DNA is copy and pasted in cells is known as DNA replication. Before dividing, a cell must replicate its entire genetic code so that each resulting daughter cell has its own complete genome.

During DNA replication, each of the double helix's two strands serves as a template from which new strands are copied.

The new strand will work in tandem with the parental or "old" strand. Each new double strand is made up of one parental and one daughter strand.

Thus, the correct option is A.

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