Answer:
The correct answer is option C. The new cells results when they sexually reproduce with each other.
Explanation:
In sexual reproduction, sperm cell of male organism combined with egg cell of female organism forming a fertile zygote. This zygote changes into a new organisms. In sexual reproduction both sperm cell and egg are haploid i. e. half number of chromosome while the zygote is diploid i. e. double number of chromosome.