Table 3

Frequency of transmission of the larger and smaller alleles at the spinocerebellar ataxia type 1 disease locus

MeiosisAllele transmittedχ2assuming 1:1 segregationp (χ2)
LargerSmallerNot informativeTotal typed
MZ
 Paternal312928880.0670.796
 Maternal3530381030.3850.535
DZ
 Paternal1141091083310.1120.738
 Maternal1331241003570.3150.574
Total
 Paternal1451381364190.1730.677
 Maternal1681541384600.6090.435