Table 1.

Mean polyp number in 3-mo-old Apc^Min animals by Egfr and Mom1 genotype

Genotype	Egfr+/+ and Egfrwa2/+	Egfrwa2/wa2 and Egfrwa2/tm1Mag
Mom1s/s	58.5 (100%)*, n = 14	7.9 (13.6%), n = 17
Mom1r/r and Mom1r/s	24.5 (41.8%), n = 13	1.8 (3.1%), n = 18

^*Percentages relative to Mom1^s, Egfr⁺ genotype; P < 0.0001 for all genotype comparisons.