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How do organism reproduce -DNA copy and variations

Answer» DNa copying is done by first meosis process !! When sperm & ovum cell fuse then all the possible outcomes gets paired like as ( TT) + (tt) = (Tt)(Tt)(Tt)(Tt) ....then this process of making pairs also knowas genotype , and transferring into progeny is known as DNA copying
Dna copy is one type but not variations


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