Why do identical twins have different fingerprints? - ProProfs Discuss
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Why do identical twins have different fingerprints?

Asked by Parr, Last updated: Oct 16, 2018

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4 Answers

J. Emmerich

J. EmmerichWeb Content Writer, New York City
Web Content Writer, New York City

Answered on Oct 16, 2018

It is true that identical twins form from one egg. They share some similarities when it comes to their DNA but fingerprints cannot be considered entirely as a genetic characteristic. This means that there are different factors that may affect the formation of any person’s fingerprints. The identical twins may develop their fingerprints while they are in their mother’s womb.

Their positions and movements may change the type of fingerprints that they will form. Some identical twins have very similar fingerprints but they are not exactly the same. The hormone levels of identical twins may also have an effect on the formation of fingerprints as well as moles and freckles.

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John Adney

John Adney

Answered on Feb 26, 2017

Is there a chance of being similar?
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wilbertlim

Wilbertlim

Answered on Feb 26, 2017

I know because they are twins
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Pickworth

Identical twins do not have identical fingerprints. A baby’s fingerprint, moles, freckles, palm lines etc all depend on how a baby develops in the mother’s womb. These mutations are not genetic. For identical twins, the two babies develop separately in the mother’s womb, so their fingerprints are also formed randomly.
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