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When someone has twins do the twins share the umbilical cord or are there two cords?

Answer

Identical twins often share the same placenta, ...
source: www.chacha.com
Q&A Related to "When someone has twins do the twins share the..."
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...
Each twin has one umbilical cord--at least that was the case with my identical twin daughters.
http://www.blurtit.com/q1513730.html
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
http://answers.yahoo.com.au/question/index?qid=200...
Explore this Topic
Triplets all have separate umbilical cords. Even if 2 of the triplets are identical and share the same placenta, they will always have their own umbilical cord. ...
Monoamniotic twins are twins that share an amniotic sac. They also share a placenta, but have separate umbilical cords. They are always identical twins. ...
Identical twins often share the same placenta but have separate amniotic sacs and each their own umbilical chords. Twins who are non identical however have separate ...
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