β-galactosidase expression activated by B6.EIIa-cre in P7 intestine
 A) P7 female intestine at 2X magnification. β-gal expression is variable. |
 B) P7 male intestine at 2X magnification. β-gal expression is more widespread. |
| 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 intestine. | |
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