Why are there more retro-elements that generally account for a larger fraction of the genome than...

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Why are there more retro-elements that generally account for a larger fraction of the genome than...

Why are there more retro-elements that generally account for a larger fraction of the genome than there are transposable elements like the Ac/Ds elements of maize, a simple DNA transposon?

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Answer 1

Answer #1

Because retroelements represents both old and new retroelement insertions and they have a tendency to amplify rapidly for a few tens of millions of years and then become inactive. Also they cant be eliminiated once they are inserted.

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