Correct answer choice is :
C) Is necessary for the survival of the individual.
Explanation:
Sexual reproduction is a mode of a generation where two gametes join mutually. Each gamete holds half the amount of chromosomes of normal cells. They are produced by a specific kind of cell division, which only happens in eukaryotic cells, identified as meiosis. The two gametes combine during breeding to produce DNA replication and the production of a single-celled zygote which involves genetic stuff from both gametes.
