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FISH analysis with a full-length JSRV probe on ovine and caprine metaphase spreads. Chromosomes were identified by R-banding, and integration sites are indicated by arrows. (A) Ovine MPF2 cells (fetal lung-derived fibroblasts). (B) Ovine OF686 cells. (C) Sheep-goat hybrid SGH2 cells. (D) Multicopy locus on position q12 of ovine chromosome 6 from four different lines.
