It is a process that involves the fusion of gametes from two sexes that is male gamete and female gamete. That results in the formation of a zygote which eventually grows to become an individual similar to its parents. -Sexual reproduction is most commonly seen in humans, most animals, and some plants.

* Sexual reproduction involve two organisms, the male and the female in the process of producing the offspring.

Sexual reproduction provides greater variations in the DNA thereby making the off spring adapted for better survival.sexual reproduction ensures a mining of the gene pool of the species.Due to genetic recombination various occur in the process of sexual reproduction.

* During sexual reproduction the combination of DNA from two parent would result in the offspring having twice the amount of DNA.To solnl this problem, sexually reproduction individual have special germ cells ( gamates) with only half the normal number of chromosomes and therefore half the amound of DNA compared to the other cells of the body .When such germ cells from two individuals unite during sexual reproduction the normal chromosome number and DNA content are restored.

* In multicellular organism body design become more complen, the germ cell also specialise.one germ cell is large and contains the food stores while the other is smaller and licikely to be motile. The motile germ cell is called the male gametes and germ cell containing the stored food is called the female gamete.