β-galactosidase expression activated by B6.EIIa-cre in P7 testis
 A) P7 testis and epididymis at 2X magnification. |  B) Testis section from A at 20X magnification. β-gal expression does not appear specific to any cell type. Compare to adult testis. |
 C) A different testis section, also at 20X magnification. |  D) Epididymal section from A, at 20X magnfication. |
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