Table 1 Average effects of paternal and maternal alleles at a QTL with imprinting
From: Genomic best linear unbiased prediction method including imprinting effects for genomic evaluation
Gamete type | Allele | Values and frequencies of genotypes produced | Mean value of genotypes produced | Average allele effect | |||
|---|---|---|---|---|---|---|---|
A 1 A 1 | A 1 A 2 | A 2 A 1 | A 2 A 2 | Â | Â | ||
|  |  | a | δ+ε | δ-ε | -a |  |  |
Sire | A 1 | 1-q | q |  |  | (1-q)a + q(δ+ε) | q{a + (2q-1)δ+ε} = qα m |
|  | A 2 |  |  | 1-q | q | -qa + (1-q)(δ-ε) | -(1-q){a + (2q-1)δ+ε} = -(1-q)α m |
Dam | A 1 | 1-q |  | q |  | (1-q)a + q(δ-ε) | q{a + (2q-1)δ-ε} = qα f |
|  | A 2 |  | 1-q |  | q | -qa + (1-q)(δ+ε) | -(1-q){a + (2q-1)δ-ε} = -(1-q)α f |