Individual Identification from Semen by the Deoxyribonucleic Acid (DNA) Fingerprint Technique

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Abstract
For individual identification from semen, the deoxyribonucleic acid (DNA) fingerprint technqiue was used. In a blind trial, we succeeded in determining the semen donors among several volunteers comparing the DNA fingerprints of the blood and semen samples, respectively. Thereafter, we examinated semen in a condom left beside a naked female dead body. The DNA fingerprint of the semen was recognized to be identicial to that of the blood from a suspected man arrested later. This is the first report that the DNA fingerprint technique was practically used in a criminal investigation in Japan.