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Why does an egg split?

Is it because there were to little sperms that got in?Or why does it split?

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krystaldawn_21

Asked by krystaldawn_21 at 10:32 PM on Jul. 17, 2008 in Pregnancy

Level 7 (165 Credits)
Answers (3)
  • it's just an anomaly that happens as the cells are splitting, multiplying and dividing.
    SAHMinIL

    Answer by SAHMinIL at 11:26 PM on Jul. 17, 2008

  • An egg splitting is what happens when multiples form.
    LimeGreenLady

    Answer by LimeGreenLady at 1:02 AM on Jul. 18, 2008

  • . Unfortunately it is not known what causes a fertilized egg to split at the
    blastula stage and form monozygotic twins.  Monozygotic (identical) twins
    are very rare in mammals, so it is a difficult area to research, although
    it is a very common phenomena in armadillos.  Scientists have been able to
    induce monozygotic twinning in fish with oxygen deprivation, but it is
    unknown if this also is true for humans.  Another interesting fact is that
    most conjoined twins are not a result of incomplete splitting of a fertilized
    egg.  The egg does split, but the reason that the twins are joined is
    that they fuse back together after complete splitting.
    vbruno

    Answer by vbruno at 2:17 AM on Jul. 18, 2008

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