The Success of Genealogy Research Lies on DNA Testings
By Genealogy Advisor | Nov 3, 2008
There are about 60,000 billion cells found in the human body. It includes muscle cells, cheek cells, and white blood cells. Each cell contains the whole genetic information which is the DNA (deoxyribonucleic acid). The nucleus inside the cell holds the DNA or chromosomal DNA that consists of Y chromosomal DNA, X chromosomal DNA, and [...]
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