Table I. Molecular characterization of tdy2 mutant alleles.

Allele	Mutation	Position
tdy2-R	GCC → ACC	163 in mRNA
	Ala → Thr	55 in protein
tdy2-t112	GGT → GAT	4,481 in mRNA
	Gly → Asp	1,494 in protein
tdy2-Mu103	Mu8 insertion	5′ UTR, −289 bp from ATG
tdy2-Mu165	Mu1 insertion	Exon 1, =223 bp from ATG
tdy2-Mu199	Mu1 insertion	5′ UTR, −254 bp from ATG
tdy2-Mu248	Mu1 insertion	5′ UTR, −222 bp from ATG
tdy2-Mu385	Mu1 insertion	5′ UTR, −226 bp from ATG