TABLE 1

The eight orthogonal contrast scales (W's) for the F2 population

GenotypeAABBAABbAAbbAaBBAaBbAabbaaBBaaBbaabb
GG22G21G20G12G11G10G02G01G00
P1/161/16¼1/161/16
W1111000−1−1−1
W2−½−½−½½½½−½−½−½
W310−110−110−1
W4−½½−½−½½−½−½½−½
W510−1000−101
W6−½½−½000½−½½
W7−½0½½0−½−½0½
W8¼−¼¼−¼¼−¼¼−¼¼
  • G's and P's denote the genotypic values and expected genotypic frequencies for the nine genotypes of two unlinked genes, A and B.