β-galactosidase expression activated by B6.EIIa-cre in P7 liver
 A) P7 female liver at 2X magnification. |
 B) P7 male liver at 2X magnification. |
 C) β-gal expression is strong but incomplete in the liver. The same section from A at 20X magnification. |
 D) β-gal expression is strong but incomplete in the liver. The same section from B at 20X magnification. |
| Note: Any differences between β-gal expression for the male and female samples are just initial observations. No quantification was conducted to determine if a true sex-based difference is present with the B6.EIIa-cre line. Compare to adult liver. | |
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