DNA replication is best described as:
AConservative
BDispersive
CSemiconservative
DBidirectional only
Answer & Solution
Correct answer: C. Semiconservative
Semiconservative — each daughter DNA has one **parental** strand and one **newly synthesised** strand. Proposed by Watson and Crick (1953) and proved experimentally by Meselson and Stahl (1958) using ¹⁵N/¹⁴N density gradient centrifugation.
Related questions
In eukaryotes, primary mRNA transcript becomes mature mRNA afterThe 'one gene - one polypeptide' concept was proposed byIn prokaryotes, the small ribosomal subunit recognises the mRNA initiation site via theIn humans, the percentage of A in a DNA sample is 30 %. By Chargaff's rule, the percentageTranscription differs from replication in that itThe genetic code is described as degenerate becauseOkazaki fragments are formed on theDuring DNA replication, the enzyme that unwinds the double helix is