Multiple choice

Restriction enzyme and ligase were used to recombine DNA in 1973 by

  1. Georges Kohler and Cesar Milstein

  2. Stanley Cohen and Herbert Boyer

  3. Herbert Boyer and Robert Swanson

  4. Kary Mullis and coworkers

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Used restriction enzymes and ligases to recombine DNA in 1973.