β-galactosidase expression activated by B6.EIIa-cre in P7 thymus
 A) Thymus from P7 female, at 2X magnification. |
 B) Thymus from P7 male thymus, at 2X magnification. |
 C) Thymus from B at 20X magnification. β-gal expression is variable. |
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| 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 adult thymus. | |
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