tokens: The selective alteration of the genome using Cre recombinase to target the rearrangement of genes flanked by LOX recognition sequences has required the use of two separate genetic constructs in trans , one containing cre and the other containing the gene of interest flanked by LOX sites .
folded_tokens: the selective alteration of the genome use cre recombinase to target the rearrangement of gene flank by LOX recognition sequence have require the use of two separate genetic construct in trans , one contain cre and the other contain the gene of interest flank by LOX site .