Zygote

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Dictionary Meaning and Definition on 'Zygote'

Zygote Meaning and Definition from WordNet (r) 2.0
    zygote n : the cell resulting from the union of an ovum and a spermatozoon (including the organism that develops from that cell) [syn: fertilized ovum]
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Wikipedia Meaning and Definition on 'Zygote'


A zygote (from Greek ζυγωτός zygōtos "joined" or "yoked", from ζυγοῦν zygoun "to join" or "to yoke"),

In mammalian reproduction, after fertilization has taken place the zygote travels down the fallopian tube, while dividing to form more cells

Twins and other multiple births can be monozygotic (identical) or dizygotic (fraternal). Dizygotic twins arise from one or several—strictly, two—fertilization events. Polyspermic zygotes in mice have been manipulated so as to remove one of the two male pronuclei and made to survive birth.

Conjoined twins, sometimes called "Siamese twins", occur once in every two hundred identical twin pregnancies and are always identical. Actual numbers for conjoined births vary from 1 in 20,000 to 1 in 100,000 pregnancies; 40–60% are stillborn, with many others dying within the first few days after birth. About 70% of conjoined twins are female, the reason for which is unknown.

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Zygote Sample Sentences in News


  • Notre Dame scientists develop largest developmental proteomic data set for any animal
    ( University of Notre Dame ) Notre Dame researchers have developed the largest data set on developmental proteomics for any organism, and have included the single-cell zygote. Read more on this news related to 'Zygote'

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