Table 1

A 2 × 2 table of chromosome counts: counts of chromosomes for cases and controls according to allele of a diallelic marker locus where N is the total sample size and A and a the two alleles at the locus

Allele

Cases

Controls

Total


A

X

NA - X

NA

a

N1 - X

N - N1 - NA + X

Na = N - NA

Total

N1

N0 = N - N1

N


Clayton Genome Medicine 2009 1:110   doi:10.1186/gm110