Which of the following statements correctly relates mutations and survival rates of animals?

mutations always improve the chances of survival for an animal.
mutations sometimes improve the chances of survival for an animal.
mutations never improve the chances of survival for an animal.
there is no relationship between mutations and the chance of survival for an animal.

Ans.

Mutations can be defined as permanent alterations in genetic material that pass from mutant parent cell to its daughter cells. Mutations may be beneficiary, harmful, or neutral depending upon the function affected.

For examples, adaptations to certain environmental conditions that provide better chances of survival to the organisms are resulted from mutations, while may disorders, such as cancer are also called by mutations.

Thus, the correct answer is option). 'mutations sometimes improve the chances of survival for an animal.'

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