NEET Biology
NEETBiologyMolecular Basis of InheritanceClass 12

What does “Semi-conservative replication” actually mean in Molecular Basis of Inheritance, and why does it matter for NEET?

each new DNA molecule keeps one original strand and one newly made strand.

In simple words: each new DNA molecule keeps one original strand and one newly made strand. Getting Semi-conservative replication clear matters because NEET questions on Molecular Basis of Inheritance usually test this idea directly, not just a formula you memorised.

Key point

Semi-conservative replication

Common mistake

thinking both strands of the daughter DNA are brand new.

Memory tip

'semi' — half old, half new in each copy (Meselson–Stahl).

Tap to watch or see it right here — the app stays open (it only opens a quick search if nothing embeddable is found).

More on Molecular Basis of Inheritance