Sexual reproduction is the use of male and female pollination intersect and form seeds to reproduce the method of reproduction, but also the normal method of human reproduction. Asexual reproduction refers to the process of fertilization without germ-cell union, and a method of breeding progeny directly from a part of the mother. Sexual reproduction method has the most difference is that sexual reproduction, of course, there are good variations of variation there are bad variations. Asexual reproduction refers to the fertilization process without the combination of germ cells, from the mother part of the direct generation of offspring, asexual reproduction with the characteristics of maintaining the female parent.