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Designed for comparing male descendants of a common male ancestor, the Y-chromosome test (or surname test) is especially helpful in determining how closely two males may be related in a directly paternal lineage.
An analysis to find a Most Recent Common Ancestor (MRCA) is possible using a combination of researched genealogies, Y-STR DNA test results, and statistical formulas. GeneTree is offering the cutting edge of high-tech genealogical research.
Y-chromosome markers provide researchers (i.e., forensic scientists, evolutionary biologists, genealogists, and anthropologists) a useful tool for studying human migration patterns, evolution, paternally linked relationships and identification. It has also been used to help locate the geographical origin of all human beings.
The Y-chromosome is of particular interest to researchers because of its variability found among different human populations. To characterize the Y-chromosome the DNA is genotyped at 26 different locations. GeneTree provides the DNA profile data along with a comparative analysis after examining the DNA for 2, or more, male subjects (Surname Test).
GeneTree DNA Testing Center uses this service to measure the likelihood of paternally-linked relationships. Furthermore, the data can also be used to research your own Y-chromosome DNA profile (NOTE: There are a number of publications that will assist you with researching your DNA profile and how it relates to DNA profiles of published populations. Contact us if you are interested in receiving a list of publications that will assist you with this research).
Y-STR Comparative Analysis
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