这个等位基因是由Nmyc1tm1Nagy衍生而来的,它在小鼠胚胎干细胞中通过暂时的Cre表达去除了含loxP序列的诺姆素 cassette,然后用于生产嵌合体小鼠。 (Source: This allele originates from Nmyc1tm1Nagy, with a loxP-flanked neomycin cassette deleted in ES cells by transient Cre expression before generating chimeric mice.)
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This allele is a derivative of Nmyc1tm1Nagy in which the loxP flanked neomycin cassette was deleted in ES cells by transient Cre expression prior to the production of chimeric mice.