Do Twins Have the Same Fingerprints?


Quick Answer

Twins do not have the same fingerprints, according to Earthsky Communications. Even identical twins, who have the same DNA, have different fingerprints although their fingerprints are more similar than those of two unrelated people.

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Full Answer

The Tech Museum of Information at Stanford University reports that the fingerprints of identical twins are genetically the same, but their environment in the womb causes differences, such as when they touch the amniotic sac. LiveScience says that even slight differences in umbilical cord length affects twins' fingerprints.

According to the University of California Santa Barbara, identical twins result from one fertilized egg splitting in two, so those two individuals share the same genetic makeup. Fraternal twins come from two, separate, fertilized eggs and are genetically no more alike than any other pair of siblings.

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