Question

A scientist shines low levels of ultraviolet radiation on a dish containing colonies of ruby-red bacteria. He then makes several replicate plates from this dish over many generations. He finds that in addition to the ruby-red color, there are also pink, orange, and light red bacteria. Which of the following is the best explanation for these findings?

Answer 1

Mutations occurred in the gene for color of the bacteria, which were passed on to successive generations.

Answer 2

Based on the following scenario, the best explanation for the findings would be that Mutations occurred in the gene for color of the bacteria ,
Which were passed on to successive generation

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