Table 1.

Cerebellum gene expression microarray data

Mutant	Age	Sib Pairs	DEG*		DEG Total
		(+/y, -/y)	up	down
J-allele	2 wk	5	292	2	294
	4 wk	3	126	105	231
	8 wk	5	441	399	840
B-allele	2 wk	3	380	262	642
	4 wk	4	423	45	468
	8 wk	3	615	234	849

*DEG: Differentially expressed genes with at least a 1.2 fold increase or decrease that are consistently changed for the given mutant and wild-type siblings (P < 0.05).