Figure 3. Gross morphology of GAM complex and Müllerian duct (A) isolated from embryonic American alligator at developmental stage 27.

Embryo at developmental stage 19 was exposed to 0.5 μL/g E.W. of 95% ethanol, various doses of E₂, PPT, or WAY 200070 at FPT or MPT. Existences of Müllerian duct were observed and counted, and data were shown as percentage of Müllerian ductal presence or absence (B). An exposure to E₂ and PPT increased the existence of Müllerian duct at MPT, whereas WAY 200070 exposure did not alter it. Numbers on the graph indicate number of animals. Asterisks indicate significant difference in χ² test (P < .05).