Table 1.

Variation in astrocytoma incidence in NPcis mice depends on strain background.

Cross	Females (%)	Males (%)
NPcis B6 mother X WT B6 father	51	71
WT B6 mother X NPcis B6 father	52	49
WT 129S4 mother X NPcis 129S4 father	12	17

WT = wild‐type.