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zygote |
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zygote: see reproduction reproduction, capacity of all living systems to give rise to new systems similar to themselves. The term reproduction may refer to this power of self-duplication of a single cell or a multicellular animal or plant organism. ..... Click the link for more information. . zygote [′zī‚gōt] (embryology) An organism produced by the union of two gametes. The fertilized ovum before 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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| But it can also act as an abortifacient, preventing implantation of an already fertilized ovum. Sgreccia, President of the Pontifical Academy for Life, said the "union of the feminine chromosome and the masculine chromosome contains in itself two pro-nuclei, and it is a fertilized ovum in which the process of fertilization has already begun. Modern birth control pills are estrogen, which inhibit implantation of the fertilized ovum into the uterus. |
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