β-galactosidase expression activated by B6.EIIa-cre in adult intestine
 A) Adult (8 weeks old) female intestine at 2X magnification. β-gal expression is strong in most cells of the intestine. |
 B) Adult (8 weeks old) male intestine at 2X magnification. This pattern suggests that any β-gal expression is not specific to B6.EIIa-cre. |
 C) The same section from A, at 40X magnification. The mosaic nature of the B6.EIIa-cre line is prominent here. | |
| Note: The difference 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 P7 intestine. | |
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