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Everyone should have fingerprints that could be the symbol of identity. But some people are known to have fingerprints. What caused it?
Scientists believe that people who do not have a fingerprint known to be caused by a rare genetic defect. Fingerprints is the embodiment of the language of the womb that formed since the 6-month-old fetus. As the age of the fetus already has a special characteristic in her fingertips.
Researchers reveal almost no one knows for sure how genes function in the skin. But usually the fingers covered by mountains called dermatoglyphs fully formed before the baby is born.
A person diagnosed with the condition just had or did not have fingerprints at all known adermatoglyphia. This condition is more popularly known as 'Immigration delay disease', because then the person will have problems when it comes to melewat airport.
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A study published in the American Journal of Human Genetics analyzed one family in Switzerland most of whom do not have fingerprints. But through DNA analysis of these families researchers identified the influence of genes SMARCAD1.
In another study conducted by researchers from Tel Aviv Sourasky Medical Center in Israel analyzed the genetic code of 16 members of a family in which 7 of them have fingerprints while 9 other people do not have fingerprints.
Researchers found a short version of the gene mutated SMARCAD1 on the skin of family members who do not have fingerprints.
"Our findings show that their involvement in the regulation of gene SMARCAD1 formation of fingerprints," said lead researcher Professor Eli Sprecher, as quoted by BBC News,
Prof. Sprecher said that currently only little is known about the function of SMARCAD1, but the possibility of mutations that occur in genes may affect the formation of a person's fingerprint.
Generally, the pattern found on fingerprints is divided into two characteristics that is the end of the ridge and bifurcation. This is because the order of the ridge end and bifurcation different characters in each fingerprint. These characteristics can also be linked to the genetic map to the tendency of certain diseases.
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