Table 1.

Male matches—Grb10 ^+/p vs WT

Age	Stranger tube matches	Social tube matches	Urine marking matches	Social isolation matches
2 months	28	56	44	—
6 months	23	51	52	—
10 months	23	46	46	10

Note: Matches between male Grb10 ^+/p and WT mice included in analysis of social dominance testing.