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zygote |
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zygote /zy·gote/ (zi´gōt) the diploid cell resulting from union of a male and a female gamete. More precisely, the cell after synapsis at the completion of fertilization until first cleavage.zygot´ic
Zygote The result of the sperm successfully fertilizing the ovum. The zygote is a single cell that contains the genetic material of both the mother and the father. zygote [zī′gōt] Etymology: Gk, zygon, yoke the combined cell produced by the union of a sperm pronucleus and an egg pronucleus at the completion of fertilization until the first cleavage. Also called zygocyte. zygote the cell resulting from union of a male and female gamete; the fertilized ovum. More precisely, the cell after synapsis at the completion of fertilization until first cleavage. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The fertilized egg cell begins to divide and grow to become a blastocyst (ball of about 100 cells), then an embryo, and finally a fetus (unborn animal eight weeks after fertilization). Each fertilized egg cell even establishes two distinct halves, along what is called the anterior-posterior axis. For dais to happen, these cells must first join their genetic material together to form a fertilized egg cell with a totally new and unique version of the human genome. |
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