What is Gotra system ? Why do we have this ? Why do we consider this to decide marriages ? Why should sons carry the gotra of father, why not daughter ? How does gotra of a daughter changes after she gets married ? What is the logic ? Infact this is an amazing genetic science we follow. Let's see the science of genetics behind gotra systems. The word GOTRA formed from two sanskrit words GAU (means cow) and Trahi (means shed). While the gotras were classified initially according to nine (?) rishis , the pravaras were classified under the names of the following seven rishis : Agastya Angirasa Atri Bhrigu Kashyapa Vasishtha Vishvamitra Many lines of descent from the major rishis were later grouped separately. Accordingly, the major gotras were divided into ganas (subdivisions) and each gana was further divided into groups of families. The term gotra was then frequently started being applied to the ganas and to the sub-ganas. Over the yea
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