Table 4.
Variance estimates in final model for each sex
| Broad-sense total heritability |
Proportion (%) due to Ac | Proportion (%) due to As | Proportion(%) due to Ds | Total environment | Proportion (%) due to Ec | Proportion (%) due to Es | |
|---|---|---|---|---|---|---|---|
| Mothers | |||||||
| Boys | 0.75 | 56 | 44 | 0.24 | 50 | 50 | |
| Girls | 0.55 | 78 | 22 | 0.45 | 40 | 60 | |
| Fathers | |||||||
| Boys | 0.69 | 46 | 54 | 0.31 | 29 | 71 | |
| Girls | 0.66 | 39 | 61 | 0.34 | 32 | 68 | |
| Twins | |||||||
| Boys | 0.50 | 30 | 00 | 0.70 | 0.49 | 8 | 92 |
| Girls | 0.41 | 41 | 54 | 0.05 | 0.60 | 12 | 88 |
Note: Ac common additive genetic factor, As informant specific additive genetic factor; Ds informant specific dominant genetic factor, Ec common nonshared environmental factor, Es informant specific nonshared environmental factor