Add to blog
You may place this material on your blog by copying the link.
The phenomenon of Siamese twins
Siamese twins are rare – just one case per 200,000 births. There are two theories to explain the phenomenon. The first theory is that the fertilized egg only partially splits into zygotes and the second is that the egg completely separates but the cells fuse together later.
Digg
Seed Newsvine
/infographics/20090918/156177591-comment.json
Leave a comment
Comment posted and will be opened after the pre-moderation.
Top infographics »
Top image galleries »
Top videos »
Top talk shows »
News »
Pacific Fleet’s Task Force Returns after Anti-Piracy Mission
04:27VLADIVOSTOK, February 12 (RIA Novosti)Tens of Greek MPs Set to Vote Against New Austerity Measures
02:54ATHENS, February 12 (RIA Novosti)Niger Refuses to Extradite Gaddafi’s Son Despite Libyan Demands
22:05MOSCOW, February 11 (RIA Novosti)
© 2012 RIA Novosti