Zygote

Bol

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A zygote (from Greek ¿¿¿¿¿¿¿ zyg¿tos "joined" or "yoked", from ¿¿¿¿¿¿ zygoun "to join" or "to yoke"), or zygocyte, is the initial cell formed when a new organism is produced by means of sexual reproduction. A zygote is synthesized from the union of two gametes, and constitutes the first stage in a unique organism's development. Zygotes are usually produced by a fertilization event between two haploid cells - an ovum from a female and a sperm cell from a male - which combine to form the single diploid cell. Such zygotes contain DNA derived from both the mother and the father, and this provides all the genetic information necessary to form a new individual. The term zygote is also used more loosely to refer to the group of cells formed by the first few cell divisions, although this is properly referred to as a morula.

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Pagina's: 96, Paperback, Betascript Publishers