NEET Botany Molecular Basis of Inheritance Questions Solved

NEET - 2009

Semi-conservative replication of DNA was first demonstrated in

(1) Drosophila melanogaster

(2) Escherichia coli

(3) Streptococcus pneumoniae

(4) Salmonella typhimurium

(2) Semi-conservative replication of DNA was first demonstrated in E. coli. According to the semi-conservative mode proposed by Watson and Crick, each strand of the two double helices formed would have one old and one new strand. The semi-conservative nature of DNA replication was proved by the experiment of Meselson and Stahl (1958).

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