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Question : Define Jumping genes. Classify them on the basis of their mechanism. |
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Answer» Solution :I. Definition of jumping GENES : Sequences of DNA that can move or TRANSPOSE themselves to new positions within the geneome of a single cell. II. Type of Jumping genes on the basts of their MECHANISM are as follows: (1) Retrotransposons: The transposons which always WORK With RNA intern1ediate are called retrotransposons. They bring about copy and paste mechanism. (2) DNA transposons : The transposons that do not work with RNA intemediates are called DNA transposons. They bring about cut and paste mechanism. |
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