Acquired mutations a.)are inherited b.)only occur in egg cells c.)only occur in sperm cells d.)can be caused by radiation

Option D

Acquired mutation is something which does not  exist in all the cells of an individual. Its just a change in the DNA of few cells.

For example- the color of moth being found on tree changed after the industrial revolution. The moth adopted this change for its survival due to changes caused in the environment.

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answer; polycythemia is the correct answer;