Table 1 Joint distributions of three genotypes from parents-child triads

AA-AA

AA

$p_A^4$

J ₁

AA-Aa

AA

$2p_A^3{p}_a$

J ₂

AA-Aa

Aa

$2p_A^3{p}_a$

J ₃

AA-aa

Aa

$2p_A^2{p}_a^2$

J ₄

Aa-Aa

AA

$p_A^2{p}_a^2$

J ₅

Aa-Aa

Aa

$2p_A^2{p}_a^2$

J ₆

Aa-Aa

aa

$p_A^2{p}_a^2$

J ₇

Aa-aa

Aa

$2p_A{p}_a^3$

J ₈

Aa-aa

aa

$2p_A{p}_a^3$

J ₉

aa-aa

Aa

$p_a^4$

J ₁₀