Choose the correct match.

A. Operon concept-Jacob and Monod is correct match.
Operon Theory is the concept of gene regulation proposed by François Jacob and Jacques Monod (1961). An operon is a group of structural genes whose expression is coordinated by an operator.
B. Transposons-McClintock is correct match.
The existence of transposons was postulated in the late 1940s by Barbara McClintock, who was studying the inheritance of maize, but the actual molecular basis for transposition was described by later groups.
C. Khorana-Genetic code is also a correct match.
Har Gobind Khorana was the chemist who cracked DNA's code and made the first artificial gene. genetic code is the once-secret language of our DNA.