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Genotyping of offspring in L1 transgenic animals
Transgene-positive (+), retrotransposition event-negative (−) mice and transgene-positive (+), retrotransposition event-positive (+) rats were crossed with wild-type animals. Genotyping was performed using tail DNA. (Tg) L1 transgene; (Rtn) retrotransposition event; (WT) wild-type animal.
