Bacteria exposed to UV light have a higher rate of mutation than those that have not been exposed. Researchers claim that these mutations cause genetic variations among the bacteria.

Is this conclusion supported by the evidence?

(1 point)
Responses

No because UV light only affects cellular functions, not genetic structures.
No because UV light only affects cellular functions, not genetic structures.

Yes, because UV light is a known mutagen that can alter DNA.
Yes, because UV light is a known mutagen that can alter DNA.

No, because a higher rate of mutation does not translate to genetic variations.
No, because a higher rate of mutation does not translate to genetic variations.

Yes, but only if the mutations do not affect bacteria’s survival.

1 answer

The conclusion that mutations cause genetic variations among the bacteria exposed to UV light is best supported by the response:

Yes, because UV light is a known mutagen that can alter DNA.

This response acknowledges the role of UV light as a mutagen, meaning it can indeed cause changes to the DNA sequence, leading to genetic variations.