Which of these is a likely result of a beneficial or helpful mutation? А
The changes to a gene are neutral.
B
The shape of a protein is not changed by the mutation
An organism is able to better withstand a toxin
D
An organism is less likely to survive and reproduce.

The answer would be C. An organism is able to better withstand a toxin!

Explanation:

This is most likely because if it is a beneficial mutation, it has an effect that allows the organism to better survive and thrive, and being able to withstand a toxin can definitely support survival and reproduction.

I really hope this helped you! Have a nice day! :)