"A reproduction process that creates a new organism by combining the genetic material of two gametes, which may come from two organisms or from a single organism, in the case of self-fertilizing hermaphrodites, e.g. C. elegans, or self-fertilization in plants. It occurs both in eukaryotes and prokaryotes: in multicellular eukaryotic organisms, an individual is created anew; in prokaryotes, the initial cell has additional or transformed genetic material. In a process called genetic recombination, genetic material (DNA) originating from two gametes join up so that homologous sequences are aligned with each other, and this is followed by exchange of genetic information. After the new recombinant chromosome is formed, it is passed on to progeny." [GOC:jl, GOC:kmv, GOC:krc, GOC:tb, http://en.wikipedia.org/wiki/Sexual_reproduction, ISBN:0387520546]

http://www.phoc.org.cn/pmo/class/PMO_00055511

http://www.phoc.org.cn/pmo/class/PMO_00055510

http://www.phoc.org.cn/pmo/class/PMO_00068422