How can a genetic mutation be harmful in one environment and helpful in another?

They can cause the termination (death) of an organism when mutations occur, or they can be partially lethal.

This implies that in its climate, the organism has trouble adapting to and surviving. In the life of an organism, mutations are typically the cause of several illnesses and defects

the dna of humans and mice is almost 92% similar. this similarity indicates that . mice have a tail, while humans have a tailbone. the tailbone is a structure in humans.yes it's true.