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The Lederberg experiment - Understanding Evolution
evolution.berkeley.edu · 335 words · saved by 1 readers
In 1952, Esther and Joshua Lederberg performed an experiment that helped show that many mutations are random, not directed. In this experiment, they capitalized on the ease with which bacteria can be grown and maintained. Bacteria grow into isolated colonies on plates. These colonies can be reproduced from an original plate to new plates by
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