T-alleles in the mouse are probably not inversions.
D000483:Alleles; D000818:Animals; D002842:Chromatids; D002869:Chromosome Aberrations; D007446:Chromosome Inversion; D002874:Chromosome Mapping; D003433:Crosses, Genetic; D003434:Crossing Over, Genetic; D005808:Genes, Recessive; D006579:Heterozygote; D008297:Male; D051379:Mice; D013623:Tail / Q000002:abnormalities*