zygote


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  • noun

Synonyms for zygote

(genetics) the diploid cell resulting from the union of a haploid spermatozoon and ovum (including the organism that develops from that cell)

References in periodicals archive ?
the human zygote, embryo or fetus) are relevant to his or her status as a human being.
Three-fourths of zygotes or early embryos are naturally aborted, largely because of genetic defects.
Observations" was a popular column that appeared at Zygote in my Coffee from 2006 until May 2010 when Zygote folded.
Pollen carries half the genetic compliment to the prospective zygote but without the plastid component (chloroplasts and other chromoplasts) of the female ova so it contributes just a bit less or contributes differently than the ova.
Therefore, in the present study we targeted the ovine Cx43 gene via microinjection of sequence-specific dsRNA at the zygote stage and observed its effects on mRNA and protein expression and the development potential of ovine embryos.
At 24 hours the zygote starts to divide, increasing the number of cells.
Bower (1898) used his own presidential address for a detailed rebuttal: "to me the zygote is not 'nothing'; it is a cell with all the powers and possibilities of a complete cell.
In about a third of cases, the twins are identical, meaning that they come from a single fertilised egg, or zygote, which then for some reason splits into two embryos.
There's no disagreement that a zygote - a fertilized egg - is alive.
IF FERTILIZATION DOES OCCUR, HOWEVER, PLAN B IS LIKELY TO PREVENT THE ZYGOTE FROM IMPLANTING ITSELF ON THE UTERINE WALL, WHERE IT WOULD THEN EVOLVE INTO AN EMBRYO, AND THEN A FETUS .
Mix them together to form a zygote on a "Petri dish," representing in vitro fertilization.
It also insures a healthy environment for the zygote to implant in the endometrium.
The nucleus of the sperm cell travels deep into the ovum and fuses with the egg nucleus, mixing his rich genetic material with hers and bringing an entirely new life-form into being: a fertilized one-celled organism, or zygote - the first "you.
Once conception has taken place, even the zygote should be regarded as a human being.
Most doctors believe that conjoined twins start off like other MZ twins, but the zygote doesn't split completely (see Nuts & Bolts, p.