The discovery that DNA is the genetic material. This discovery caused by bacteria, the bacteria in the experimental sciences (Bacteriologist) named Fred Griffith, scientific study. The bacteria that cause pneumonia in rats found that the bacteria Pneumococci by name, can switch from a condition that does not cause disease. A type that is causing the disease and later Oswald Avery and his colleagues and found that bacteria that cause substances become type that this disease is DNA celebrities.
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