Table 1 Conditional probability distribution of disease genotypes for a given marker genotype

Q ²

2Q(1 - Q)

(1 - Q)²

QR

Q + R - 2QR

(1 - Q)(1 - R)

R ²

2R(1 - R)

(1 - R)²

n ₁₁

n ₁₂

n ₁₃

n ₂₁

n ₂₂

n ₂₃

n ₃₁

n ₃₂

n ₃₃