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. 2000 Jan;12(1):27–32. doi: 10.1046/j.1460-9568.2000.00877.x

Table 1.

Phenotype characteristics of the different mouse lines

spa/spa spa/spa-TG456/+ spa/spa-TG456/TG456 wt
Animals tested (n) 10 7 28 10
Hind feet clasping (%) 100 71 32 0
Righting time ≤ 1 s (%) 0 58 86 100

Of the non-transgenic spa/spa animals, four were non-transgenic littermates from doubly heterozygous crosses, and six animals were derived from the original stock obtained from Jackson Laboratories.