Table 3.
Relative pairs used in this study
| Relationship | No. of pairs |
|---|---|
| Parent-offspring | 302 |
| Siblings | 386 |
| Grandparent-grandchild | 79 |
| Avuncular | 692 |
| Half-siblings | 74 |
| Great grandparent-grandchild | 2 |
| Grand avuncular | 107 |
| Half avuncular | 57 |
| First cousins | 933 |
| Half grand avuncular | 8 |
| First cousins, once removed | 820 |
| Half first cousins | 51 |
| First cousins, twice removed | 22 |
| Half first cousins, once removed | 21 |
| Second cousins | 392 |
| Second cousins, once removed | 140 |
| Half second cousins | 4 |
| Half first cousins and second cousins | 1 |
| Identical sib-pair | 1 |
| Total | 4092 |