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During DNA copying due to what two factors Variation in character are brought up ?

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Answer 1

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During DNA copying the variation in character are brought up by crossing over during meiosis and mutation .

During meiosis due to crossing there variation occurs . Again , we know that no process is perfect , though the process of DNA copying is one of the perfect one . But sometimes there causes errors too.

Mutation is sudden inheritable discontinuous variation which appear in an organism due to permanent Change in their genotypes .Thus mutation cause variation .

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