Table 1.
Specific relationships in pedigree used in the simulation
| Relationship | Abbreviation | Number of pairs in pedigree | Expected relatednessa |
|---|---|---|---|
| Self-relatedness (Gen1) | SR (G1) | 120 | 1 |
| Self-relatedness (Gen2) | SR (G2) | 200 | 1 |
| Self-relatedness (Gen3) | SR (G3) | 100 | 1.25 |
| Parent-offspring (Gen2–Gen3) | PO (G2–G3) | 200 | 0.75 |
| Parent-offspring (Gen1–Gen2) | PO (G1–G2) | 400 | 0.5 |
| Full siblings (Gen2) | FS (G2) | 100 | 0.5 |
| Grandparent-offspring (Gen1–Gen3) | GO (G1–G3) | 200 | 0. 5 |
| Half siblings (Gen2) | HS (G2) | 800 | 0.25 |
| Half cousins (Gen3) | HC (G3) | 200 | 0.25 |
| Piblingb-half niblingc (Gen2–Gen3) | PHN (G2–G3) | 800 | 0.25 |
| Unrelated | UR | 85290 | 0 |
aExpected relatedness in diploids or in polyploids based on pedigree and assuming no double reduction
bPibling is a gender-neutral word that refers to uncle or aunty
cNibling is a gender-neutral word that refers to niece or nephew