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Fig. 1 | Mobile DNA

Fig. 1

From: Transposable element subfamily annotation has a reproducibility problem

Fig. 1

Segmental duplications generate replicate, divergent TE copies. a A TE (grey rectangle) is integrated into a segment of an ancestral genome (white rectangle). The inserted element belongs to the subfamily AluSz. b Over time, this TE instance accumulates random mutations (black bars), diverging from the original inserted sequence. c A segment around the TE is duplicated, resulting in two identical copies of the TE instance (and surrounding region). d Over time, each TE copy accumulates random mutations, so that they are no longer identical. In this imaginary situation, the newly accumulated mutations are sufficient to cause the bottom copy to be identified as belonging to subfamily AluSx

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