A)
Matthew Meseison and F.Stahl Pisum sativum
B)
Alfred Hershey and Martha Chase TMV
C)
Alec Jeffreys Streptococcus pneumoniae
D)
Francois Jacob and Jacques Monod Lac operon
Correct Answer: D
Solution :
Francois Jacob and Jacque Monod proposed model of gene regulation known as operon model/lac operon. - Alec Jeffreys - DNA fingerprinting technique. - Matthew Meselson and F. Stahl - Semiconservative DNA replication in E. coli. - Alfred Hershey and Martha Chase - Proved DNA as genetic material not protein
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