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Sperm and ovum fusing

Fertilisation (also known as conception, fecundation and syngamy) is the fusion of gametes to initiate the development of a new individual organism.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> In animals, the process involves the fusion of an ovum with a sperm, which first creates a zygote and then leads to the development of an embryo. Depending on the animal species, the process can occur within the body of the female in internal fertilisation, or outside (external fertilisation). The cycle of fertilisation and development of new individuals is called sexual reproduction.

Fertilisation sections
Intro  History  Fertilization in plants   Fertilisation in animals   Fertilization in fungi  Fertilization in protists   Fertilisation and genetic recombination   Parthenogenesis  Allogamy and autogamy  Other variants of bisexual reproduction  Benefits of cross-fertilization  See also  References  External links  

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