Updated by: Arabinda Naik
Restores Diploid Number - The haploid gametes (sperm & ovum) fuse to form a diploid zygote.
Sex Determination - The sperm's chromosome (X or Y) determines the sex of the offspring.
Genetic Variation - Mixing of paternal and maternal genes provides genetic recombination.
Activation of the Egg - Fertilization initiates a series of mitotic divisions called cleavage.