Gujarati
Hindi
5.Molecular Basis of Inheritance
medium

Semi­conservative replication of $DNA$ was first demonstrated in

A

Escherichia coli

B

Streptococcus pneumoniae

C

Salmonella typhimurium

D

Drosophila melanogaster.

(AIPMT-2009)

Solution

(a) : Mathew Meselson and Franklin Stahl $(1958)$ conducted various experiments using isotopically labelled $DNA$ of Escherichia coli to provide evidence in favour of semi­conservative mode of $DNA$ replication.

Standard 12
Biology

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