What is meant by semiconservative replication of DNA?

• A. Each daughter DNA molecule contains one parental (old) strand and one newly synthesized strand.
• B. Only one of the two parental strands is copied, producing one double-stranded daughter molecule and one single-stranded parental molecule.
• C. Parental DNA is fragmented, and each daughter molecule contains interspersed segments of old and new DNA within each strand.
• D. Each daughter DNA molecule is composed entirely of newly synthesized strands, with the parental DNA remaining intact.

Answer: (A)