There are people without fingerprints
In 2007, the year of twenty Swiss was unable to cross the border into the United States. The reason was the inability to determine its identity by fingerprints - skin pattern on the fingertips just missing. Documented everything was clean, excluded and criminal past.
The investigation revealed that some also absent "biological terrain" among her family members. Researchers concluded: fault Adermatoglyphia, a genetic abnormality that is a mutation of the DNA segment responsible for the formation of papillary pattern. The key point in this is a protein "SMARCAD", which is not encoded during synthesis. It is also interesting that in the absence of local topography, and reduced the level of sweating. Now scientists are trying to find out all the secrets SMARCAD protein and its role in the formation of the pattern on the fingers, palms and soles.