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How Can Identical Twins Be Very Different Sizes
Some do some don't: If two twins share the same sac, they're identical. (almost always works.) the pathologist who examines the placenta can tell. Identical twins can have two sacs, or one sac; if there are two sacs, there can be one or two chorions. Fraternal twins won't share chorions or sacs. ...Read more
Identical twins have the same DNA sequence, then how would you explain the different patches of sweat glands, can you explain?
We're complicated: The twins share the same DNA sequence but going from a fertilized egg to splitting into multiple cells to form a human can be influenced by several factors that can lead to individual differences. I found this article very helpful in answering your question. http://multiples.about.com/od/funfacts/a/differenttwins.htm ...Read more
Not always: They would be no more likely to look alike than any other siblings. ...Read more
If you are asking: if two identical twins, say both are women giving birth at the same time, have a higher chance of having the same gender for their babies, then the answer is no. The probability is 50% for 1 twin mother and 50% for the other twin mother delivering both a boy, 0.5 x 0.5 = 0.25 or 25%, but adding to the same probability for a girl. So 25% both girls + 25% both boys = 50%. ...Read moreSee 1 more doctor answer
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