goodvibes1616 goodvibes1616
  • 14-12-2016
  • SAT
contestada

how are siamese twins formed

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LoganEndeavour LoganEndeavour
  • 14-12-2016
When a single, fertilized egg divides and separates, identical or paternal twins are formed. In the case of conjoined twins, a woman produces a single egg, which does not fully separate after fertilization.
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