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After mixing a heat-killed, phosphorescent (light-emitting) strain of bacteria with a living, nonphosphorescent strain, you discover that some of the living cells are now phosphorescent. Which observation(s) would provide the best evidence that the ability to phosphoresce is a heritable trait?A: Descendants of the living cells are also phosphorescent.B: The phosphorescence in the living strain is especially bright.C: Protein passed from the heat-killed strain to the living strain.D: DNA passed from the heat-killed strain to the living strain.
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