Final answer:
Mutations are changes to an organism's DNA and are important for increasing genetic variation and driving evolution. Beneficial mutations can provide an evolutionary benefit by increasing an organism's ability to survive and reproduce. Mutation leads to genetic and phenotypic variation within a species. Hence the correct answer is option B
Step-by-step explanation:
Mutations are changes to an organism's DNA and are an important driver of diversity in populations. Beneficial mutations can provide an evolutionary benefit by increasing an organism's ability to survive and reproduce. Mutation leads to genetic and phenotypic variation within a species. Somatic cell mutations in humans are not passed to offspring. Evolution rates are faster in bacteria than in humans because most mutations in human cells are silent, meaning they do not have a significant effect on the organism.
Hence the correct answer is option B