Which one of the following correctly represents the manner of replication of DNA?

Options

A.
B.
C.
D.

Answer

D

Explanation

Replication takes palce discontinously and short pieces called okazaki fragments are synthesized. One strand may and the other okazaki fragments, or both strands may synthesize okazaki fragments. Both new strands are synthesized in 5'-3' direction. Thus one strand is synthesized forwards and the other backwards.