Major homozygote

Minor homozygote

Heterozygote

MOI

Ψaa

ΨAA

ΨaA

Recessive

1

Φ

1

Dominant

1

Φ

Φ

Additive

1

2*Φ-1

Φ

Multiplicative

1

Φ *Φ

Φ

Where
Table 1: Relative Risk Assumptions by Mode of Inheritance [18].