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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