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Table 2 Genotypic values in the two-allele model

From: Genomic best linear unbiased prediction method including imprinting effects for genomic evaluation

 

A 1 A 1

A 1 A 2

A 2 A 1

A 2 A 2

Genotypic value

a

\( \delta \)+\( \varepsilon \)

\( \delta \)-\( \varepsilon \)

-a

Deviation from population mean

2qa-2(1-q)q \( \delta \)

(2q-1)a + {1-2(1-q)q}\( \delta \)+\( \varepsilon \)

(2q-1)a + {1-2(1-q)}q \( \delta \)-\( \varepsilon \)

-2(1-q)a-2(1-q)q \( \delta \)

α term

2qα

(2q-1)α

(2q-1)α

-2(1-q)α

\( \delta \) term

-2q 2 \( \delta \)

2(1-q)q \( \delta \)

2(1-q)q \( \delta \)

-2(1-q)2 \( \delta \)

\( \varepsilon \) term

0

\( \varepsilon \)

-\( \varepsilon \)

0

  1. α = α + (2q-1)\( \delta \); a = genotypic value of A 1 A 1; \( \delta \) = mean of two heterozygotes; \( \varepsilon \) = difference between two heterozygotes; q = frequency of allele A 2.