Figure 4
From: Production of Sry knockout mouse using TALEN via oocyte injection

Estrous cycle of the Sry KO mouse.
Smear image of the Sry KO mouse. (A), (B), (H) Proestrus, (C–E) Estrus, (F) Metaestrus, (G) Diestrus. The day of the smear test is indicated on the top right in the image. (I) Testosterone levels of the Sry KO mouse. M: male; F: female.