by psychotikid on May 26th, 2006

psychotikid

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Do identical twins have the same fingerprints?

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  • by Alatea on December 1st, 2005

    Alatea

    "The basic answer is NO.
    Identical -- or monozygotic -- twins form when a single fertilized egg splits in two after conception. Because they form from a single zygote, the two individuals will have the same genetic makeup. Their DNA is virtually indistinguishable. However, fingerprints are not an entirely genetic characteristic. Scientists love to use this topic as an example of the old "nature vs. nurture" debate. Fingerprinting, along with other physical characteristics, is an example of a phenotype -- meaning that it is determined by the interaction of an individual's genes and the developmental environment in the uterus. The ultimate shape of fingerprints are believed to be influenced by environmental factors during pregnancy, like nutrition, blood pressure, position in the womb and the growth rate of the fingers at the end of the first trimester. Thus you will find similar patterns of whorls and ridges in the fingerprints of identical twins. But there will also be differences -- just as there are differences between the fingers on any individual's hands."

    http://multiples.about.com/cs/funfacts/a/twinfingerprint.htm

    BTW - They have similar hand and footprints, but different fingerprints and teeth marks! If one identical twin commits a crime DNA analysis can’t be used since the DNA is 100% the same.

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  • by Kim Siever on January 17th, 2004

    Kim Siever

    Every person has a unique set of fingerprints, including twins. Fingerprints are developed in the womb as a result of the baby's reaction to the womb environment and each baby will have a different uterine experience.

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  • by singwell-is off researching a lot on July 8th, 2007

    singwell-is off researching a lot

    I found this answer on about.com
    "Identical twins generate a lot of curiosity. And a lot of misconceptions! Parents of multiples have probably not given a great deal of thought to their childrens' fingerprint patterns, but the general public has spent a lot of time wondering about this topic.

    So, do identical twins have identical fingerprints? The basic answer is NO. Identical -- or monozygotic -- twins form when a single fertilized egg splits in two after conception. Because they form from a single zygote, the two individuals will have the same genetic makeup. Their DNA is virtually indistinguishable.

    However, fingerprints are not an entirely genetic characteristic. Scientists love to use this topic as an example of the old "nature vs. nurture" debate. Fingerprinting, along with other physical characteristics, is an example of a phenotype -- meaning that it is determined by the interaction of an indivdual's genes and the developmental environment in the uterus.

    The ultimate shape of fingerprints are believed to be influenced by environmental factors during pregnancy, like nutrition, blood pressure, position in the womb and the growth rate of the fingers at the end of the first trimester. Thus, you will find similar partterns of whorls and ridges in the fingerprints of identical twins. But there will also be differences -- just as there are differences between the fingers on any individual's hands."
    So the answer is NO.

    This is backed up by this article:
    Identical twins happen when a single fertilized egg splits into two embryos. Each of the embryos has identical DNA, so surely the new-born babies should greet the world with identical fingerprints?

    Fingerprints are laid down between the 13th and the 19th week of growth in the womb. There are at least two factors that can give different fingerprints.

    First, the DNA doesn't make a perfect copy of itself every time it divides - it picks up mutations. To get from one single cell to the 10-100 trillion cells of a grown adult human, the DNA has to divide many many times. This gives ample opportunity for many mutations to accumulate.

    Second, the mathematicians tell us that if the foetus had flattened finger pads, the baby is more likely to have the simpler arch pattern, or the slightly more complicated loop pattern. But on the other hand, if the foetus had swollen finger pads, baby is more likely to have the more complex whorl pattern of ridges. The two identical twins might grow in the same uterus, but they have different lengths and diameters of umbilical cord, so they will each get a different blood flow. The twin with the lesser blood flow will cut down the blood flow to the lower body, to preserve it for the brain. By an accident of anatomy, this gives more blood flowing into the arms. The baby ends up with proportionately bigger fingers, and more whorls in their fingerprints.

    In 2003, a paper called On the similarity of identical twin fingerprints was published in The Journal of the Pattern Recognition Society. They found that the fingerprints of 94 "identical" twins were not identical - although they were more similar than non-related people.
    http://www.abc.net.au/science/k2/moments/s1234875.htm

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  • by Kyogre-Stataen on July 8th, 2007

    Kyogre-Stataen

    They may have the same pattern. They can have the same classification, but the some sleights will different since no one is the same.

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  • by printz007 on March 10th, 2004

    printz007

    Each and every person has a unique set of fingerprints. Even identical twins (who develop from a single ferlised egg when it undergoes division) have different set of fingerprints because the pattern of the fingerprints are decided by the pressure of the amniotic fluid each baby perceives individually.

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  • by Barcaluv on October 24th, 2009

    Barcaluv

    No.

    "Identical -- or monozygotic -- twins form when a single fertilized egg splits in two after conception. Because they form from a single zygote, the two individuals will have the same genetic makeup. Their DNA is virtually indistinguishable.

    However, fingerprints are not an entirely genetic characteristic. Scientists love to use this topic as an example of the old "nature vs. nurture" debate. Fingerprinting, along with other physical characteristics, is an example of a phenotype -- meaning that it is determined by the interaction of an indivdual's genes and the developmental environment in the uterus."

    Source and more:
    http://multiples.about.com/cs/funfacts/a/twinfingerprint.htm

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  • by Quirkie on May 29th, 2006

    Quirkie

    Identical twins don't have the same finger prints. "Identical twins" is just a name for twins with the same or very similar DNA.
    Identical twins are not 100% identical in many ways, some of which are obvious: example: they don't occupy exactly the same place in space at any time.


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  • by Kevisaurus is a Carnotaurus today on July 8th, 2007

    Kevisaurus is a Carnotaurus today

    That's a great question.
    I would have to say yes.
    It's an uneducated answer but if everything else is identical, I don't see why not that their fingerprints wouldn't be any different.
    Makes for a great alibi when getting booked at the police station. It was my brother, I swear I didn't do it.

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  • by david askari on March 11th, 2005

    david askari

    They have the same genotype, but different phenotypes, so different fingerprints. There probably is more details that I am not do not know.

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  • by littlemiss on January 17th, 2009

    littlemiss

    At my twins school they have dinner money accounts based on fingerprints and each child has to put their finger in the machine to access their accounts to pay for their lunch, my identical twin boys have different accounts, therefore different fingerprints

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  • by RANDOM on October 24th, 2009

    RANDOM

    no

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  • by Unnikrishnan on October 24th, 2009

    Unnikrishnan

    They have similar hand and footprints, but different fingerprints and teeth marks! If one identical twin commits a crime DNA analysis can?t be used since the DNA is 100% the same.

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  • by Tina_S2403 on August 25th, 2010

    Tina_S2403

    how to fix a sore back

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