A loxP site was inserted upstream of exon 1. A loxP flanked neo cassette was inserted downstream of exon 2. Cre-mediated recombination removed the neo cassette and left exon 2 floxed. (J:173946)
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A loxP site was inserted upstream of exon 1. A loxP flanked neo cassette was inserted downstream of exon 2. Cre-mediated recombination removed the neo cassette and left exon 2 floxed. (J:173946)