Fig. 2.
X-gal staining for β-galactosidase activity in BAC Col10a1-Cre;ROSA26 embryos and newborns demonstrates strong and specific expression of Cre in all hypertrophic cartilage zones. a–e: newborn (P1), founder line 1427; f–g: E15.5 , founder line 1465. (a) fore limb; (b) ulna and radius, (c) ribs, (d) vertebrae, (e) hindlimbs; f) whole embryo E15.5, g) ribs and fore limb, h) hand , ulna, radius.