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description Journal article public Jurnal Biosains Pascasarjana

Spot Urine for Sex Determination Forensic Identifications with Amelogenin Locus and Y Chromosomes (DYS 19). Bercak Urin Untuk Identifikasi Forensik Jenis Kelamin Dengan Lokus Amelogenin Dan Y Kromosom (DYS19)

Sispita Sari, Yeti Eka
Published 2018

Abstract

Background: Amelogenin gene was a single copy gene located in an X chromosome and a Y chromosome. The location of amelogenin gene for identification of sex chromosome has good variability between the form and the shape of the X chromosome and the Y chromosome and between Amelogenin alleles among different populations. Purpose: To prove urine spot examination on the results of the sex determination through Deoxyribo Nucleid Acid (DNA) isolation using amelogenin and Y chromosome loci (DYS19). Methods: Spotting the microscopic examination of urine samples to determine the presence or absence of urethral epithelial cells, followed by isolation Deoxyribo nucleid Acid (DNA) in order to determine the extent and purity of DNA amplification. Then performed Polymerase Chain Reaction (PCR) amelogenin locus at 106bp - 112bp and Y chromosomes (DYS19) at 232 -268 bp. Results: in 9 samples of men from 3 families with 3 kinship of different regions shows the results of different tests, because Amel Y variation between individual and populations method of determining the sex of 100% was inaccurate. In some men Amel Y can be removed entirely. This research should be visualized one band on the Y chromosome (DYS19) and the Amelogenin two bands during electrophoresis occurs misidentification of the sample as a woman. Conclusions: Identification of sex using Amelogenin locus and Y chromosomes (DYS19) has six identical and ambiguous results because the two samples shown as the sign of men but visualized as women, another sample was not visualized because of the thick level and concentration of Deoxyribo nucleid Acid (DNA).

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