Use reasoning to answer the following question.
The gene pool expands through fertilization and:\nOptions:\n- (A) offspring\n- (B) agriculture\n- (C) mutation\n- (D) babies\n- (E) seeds\n- (F) zygotes\n- (G) relocation\n- (H) competition

(C)
Mutation creates new genetic variation in a gene pool.

Fertilization increases genetic variation.

Mutation and fertilization have similar effects on the gene pool.

.

The answer is (C)