Identical twins making out

You honestly couldn't tell one baby girl from the other," Lynette says.

The DNA in white blood cells of 66 pairs of monozygotic twins was analyzed for , single-nucleotide polymorphisms known to occur in human populations. This difference in the shared genetics between the two types of twins allows researchers to examine the links between cancer and genetics , disentangled from the links between cancer and a shared environment, she explained.

One may be shy, while the other loves meeting new people.

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