MadSci Network: Genetics

Re: Are fingerprints sex-linked traits?

Date: Mon Nov 13 08:49:35 2000
Posted By: Dale L. Laux, Staff, Serology/DNA, Ohio Bureau of Criminal Identification
Area of science: Genetics
ID: 972788381.Ge


Sorry for the delay in responding but I was out of town. If by "expressed very heavily in females", you mean that a classification type such as loop or whorl appeared more often in females than males, then your findings are most likely due to a small sample size. For instance, with DNA profiling, a sample size of 300 will generally give a good indication of the allele distribution.

Many studies on twins, especially here in Twinsburg, Ohio, have shown no correlation between genetics and fingerprint development It is apparently a completely random process.


Dale L. Laux

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