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Do Identical Twins Share the Same U...

Each twin has one umbilical cord--at least that was the case with my identical twin daughters.
http://www.blurtit.com/q1513730.html
Identical twins often share the same placenta, ...
http://www.chacha.com/question/when-someone-has-tw...
You are correct that monozygotic (identical) twins have the same DNA. One explanation is that they may LOOK identical, but they are really dizygotic (fraternal) twins. Is there any...
http://answers.yahoo.com/question/index?qid=201302...
Considering that there are 2^23 possible combinations of human DNA, a number which exceeds the human population, I would say no chance at all.
http://answers.yahoo.com/question/index?qid=200701...
The human genome contains 3 billion bases. Each position can contain 1 of the 4 bases A, C, G or T Therefore, there are 4^3,000,000,000 possible DNA sequences - a VERY BIG number
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Useful sites about:

Do Identical Twins Share the Same U...

Monoamniotic twins - Wikipedia, the free encyclopedia
Monoamniotic twins are identical twins that share same amniotic sac within their mother's uterus. ... They also share the placenta, but have two separate umbilical cords. Monoamniotic twins develop when an embryo does not split until after ...
en.wikipedia.org
Do twins share a placenta, umbilical cord, or amniotic sac ...
Identical twins will often share the same placenta, but usually have separate amniotic sacs. Each twin always has its own, separate umbilical cord. Nonidentical ...
www.answers.com
Identical Twins - Twins - Multiples - About.com
Dizygotic twins share about 50% of their genetic traits, the same as any other ... Do identical twins always share a placenta during pregnancy? ... in a single amniotic sac, and their umbilical cords may become entangled and compressed.
multiples.about.com
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