Open-field test of het DMSXL mice produced by females treated with the vehicle or TG during gestation. The total distances (A), total horizontal distances (B), total vertical distances (C), margin distance legacies (D), and total activity counts (E) were compared between untreated 6- to 8 week-old WT mice and het DMSXL mice produced by the vehicle- and TG-treated females. **, P < 0.01.