set of people or a population showing a unique mutation is called a haplogroup. Based on the order of these mutations, the haplogroups are named in a sequence of capital letters A to Z. The subgroups based on further mutations are designated with Arabic numerals 1-2-3, and again the groups within by the small alphabets a-b-c and thereon. For example, all haplogroups of ‘C’ like C1, C2 etc., will have a common mutation marker. The groups D E and F which come later may also have the same marker, whereas in C1 and C2 the first mutation is common and a second marker unique. With the discovery of
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