Sentence:  A problem in forensics for this type of identification is people who are born without or do not have fingerprints. A Swiss woman and a portion of her family members were born without fingerprints in a condition called <WSD>adermatoglyphia</WSD>. Her genotype was mapped and discovered she had a point mutation in the SMARCAD1 gene located in the chromosome 4q22, which caused her to be born without the loops, whorls, and arches in her digits that are associated with fingerprintsnb.... There are other cases that result in <WSD>adermatoglyphia</WSD> such as the disease dermatopathia pigmentosa reticularis, Naegeli syndrome, and manual removal of one's fingerprints which is a temporary but painful technique. 
Meaning of the word marked with <WSD> tags:  The rare congenital absence of epidermal ridges (fingerprints and toeprints).