Answer :
The experiment that addressed the question of whether a genetic trait can be transferred from one bacterial strain to another was conducted by Frederick Griffith.
Frederick Griffith, a British bacteriologist, conducted an influential experiment in 1928 that explored the phenomenon of bacterial transformation.
In his experiment, Griffith worked with two strains of the bacterium Streptococcus pneumoniae, a virulent (smooth) strain and a non-virulent (rough) strain. He observed that when the heat-killed virulent strain was mixed with the live non-virulent strain and injected into mice, the mice developed pneumonia and died.
Upon examining the bacteria recovered from the mice, Griffith found that the non-virulent bacteria had been transformed into the virulent form.
Griffith's experiment demonstrated the transfer of a genetic trait, specifically the ability to cause disease, from one bacterial strain to another. This pivotal experiment laid the foundation for subsequent studies on bacterial genetics and the discovery of DNA as the carrier of genetic information.
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