Table 1. Mutation detection by PCR sub-cloning and sequencing of tail and retinal section DNA.

	Detected Genotype Frequency
Mouse ID	Genotype	Tail	Retinal Section
k713110103	N2	45.1% (37/82)	24.7% (18/73)
	N6	45.1% (37/82)	61.6% (45/73)
	N13	9.8% (8/82)	13.7% (10/73)
k713110104	W4	2.1% (1/48)	4.3% (2/47)
	N7	83.3% (40/48)	70.2% (33/47)
	N13	8.3% (4/48)	23.4% (11/47)
	N15	6.3% (3/48)	2.1% (1/47)
k713110114	N2	54.4% (31/57)	45.5% (25/55)
	W4	45.6% (26/57)	54.5% (30/55)