BackgroundDevelopments in DNA testing since 2000 have contributed greatly to the recent increase in knowledge about people's ethnic and genetic origins. The availability of DNA testing to the general public, now from a range of companies in the USA and some in Europe, has meant that its application as a valuable tool to genealogists in particular has come to the forefront.
The field of knowledge about the application, relevance and meaning of DNA testing has expanded, seemingly exponentially, particularly in the last 5 years. As more tests have become available at affordable prices, more people have tested and the public database of DNA results has grown accordingly. This in turn has led to a repeating cycle of yet more new tests being developed, a greater public demand for testing being generated, and this all leading to a greater and fuller knowledge of how such personal DNA data can be interpreted and its relevance This cycle continues to repeat today.
From the increasing range of DNA tests that are publically available it has been the Y-DNA test that has proved to be the most popular, particularly when used by genealogists to increase their insights into the evidentiary research carried out on their families. The testing of the male Y chromosome has proved so far the most fruitful in this respect for two reasons:-
The coordinator of this study has already completed one such Y-DNA study on the Creer family from the Isle of Man (see www.creer.co.uk) and this study has revealed new insights into the earlier history of this Manx family namely :-
This study of the DNA of the Isle of Man will concentrate on gathering evidence of the genetic composition of the Manx people mainly through the collection and analysis of Y-DNA data from men of Manx origin, selected on the basis of their Manx family names and their known Manx origins. Additional DNA evidence of mitochondrial and/or autosomal origin will also be considered if this is found to add new knowledge to the project.
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