October 10th, 2007
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DNA discloses all information within our body including sex-determination. In this article, a South China woman was astonished by her DNA test result that unveiled her sex chromosome that she has XY chromosome (female chromosome).
In spite of her XY chromosome, she has the physical characteristics of a regular woman – just that she is sterile which means she is not able to conceive a baby.
In some cases, an individual who has physically two sexes a.k.a. hermaphrodite or often related to intersexuality, has his/her freewill to choose her own gender.
Written by J.J. Yong on October 10th, 2007 with no comments.
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Firstly, when I read this article regarding a Mongolian murder trial in Malaysia that caught worldwide attention which involves local political analysts named Abdul Razak Baginda who is charged with abetting the accused murderer – a Special Action Squad Member named Corporal Sirul Azhar.
In the beginning, I don’t really get the reason of testing the political analyst’s and the accused murderer’s mitochondrial DNA (mt-DNA) to determine the maternal lineage which is able to identify the link between accused.
Since both of the accused are male, I strongly suggest that the chemist J. Primulapathi should be considering using Y-chromosome DNA testing in order to determine the paternal lineage since Y-chromosome has low mutation rate.
Written by J.J. Yong on October 10th, 2007 with no comments.
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