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The Study of Kilcrease & Associated Families Lines
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All four Y-DNA Kilcrease (and variant spellings) testers fall in the Haplogroup R. Of the three mtDNA testers, two are in Haplogroup H and one in Haplogroup K. A total of 15 project members have taken the atDNA. A short Haplogroup definition follows:


HAPLOGROUP R R1b1a2* (M269) European R1b is dominated by R-M269. It has been found at generally low frequencies throughout central Eurasia, but with relatively high frequency among Bashkirs of the Perm Region (84.0%). This marker is also present in China and India at frequencies of less than one percent. The frequency is about 71% in Scotland, 70% in Spain and 60%in France. In south-eastern England the frequency of this clade is about 70%; in parts of the rest of north and western England, Spain, Portugal, Wales and Ireland, it is as high as90%; and in parts of north-western Ireland, it reaches 98%. It is also found in North Africa, where its frequency surpasses 10% in some parts of Algeria.[More....]


HAPLOGROUP H is a human mitochondrial DNA (mtDNA) haplogroup. The clade is believed to have originated in Southwest Asia, around 20,000 to 25,000 years ago. Mitochondrial haplogroup H is today predominantly found in Europe and is believed to have evolved before the Last Glacial Maximum (LGM). It first expanded in the northern Near East and Southern Caucasus between 33,000 and 26,000 years ago, and later migrations from Iberia suggest that the clade reached Europe before the Last Glacial Maximum. Haplogroup H is the most common mtDNA clade in Europe. It is found in approximately 41% of native Europeans. The lineage is also common in North Africa and the Middle East.[More...]

HAPLOGROUP K is believed to have originated in the mid-Upper Paleolithic, between about 30,000 and 22,000 years ago. It is the most common subclade of haplogroup U8b, with an estimated age of c. 12,000 years BP. Haplogroup K appears in West Eurasia, North Africa, the Horn of Africa and South Asia, and in populations with such an ancestry.[More...]