Table 7.
Bivariate statistical genetic analyses: Estimates of genetic correlation across the left maxillary and mandibular archesa
| Mandibular cusp |
Maxillary cusp |
Estimate of Genetic Correlation | |||
|---|---|---|---|---|---|
| M1 | M2 | M3 | Relationship | ||
| metaconid | paracone | 1 | 1 | 1 | NOC |
| metaconid | metacone | 1 | 1 | 1 | NOC |
| entoconid | paracone | 1 | P | ns/0 | NOC |
| entoconid | metacone | 1 | P | 0 | NOC |
| protoconid | paracone | 1 | ns/P | 0 | B-B |
| protoconid | metacone | 1 | 0 | 0 | B-B |
| hypoconid | metacone | ns/1 | 0 | 0 | B-B |
| hypoconid | paracone | 0 | 0 | 0 | B-B |
| hypoconid | hypocone | P | 1 | 0 | OCC |
| hypoconid | protocone | 1 | 1 | ns/1 | OCC |
| protoconid | protocone | 0 | 1 | ns/1 | OCC |
| protoconid | hypocone | 0 | 1 | 0 | OCC |
| metaconid | hypocone | 0 | ns/1 | 0 | L-L |
| metaconid | protocone | 0 | 0 | ns/1 | L-L |
| entoconid | protocone | ns/0 | 0 | ns/1 | L-L |
| entoconid | hypocone | ns/P | 1 | ns/P | L-L |
a
“0” represents ρG = 0; “P” represents 0< ρG <1; “1” represents ρG = 1; “ns” = not significant at p < 0.01; Score to the right of “/” represents the genetic correlation significant at p <0.05; “NOC” = non-occluding; “B-B” = both cusps are buccal; “L-L” = both cusps are lingual; “OCC” = occluding.