|
Race |
Compatibility Rate |
Fraction |
|---|---|---|
|
0.0113 |
1 in 88 |
|
|
0.00894 |
1 in 112 |
|
|
0.0078 |
1 in 128 |
|
|
0.00512 |
1 in 195 |
|
|
0.00482 |
1 in 207 |
|
|
0.00467 |
1 in 214 |
|
|
0.00458 |
1 in 218 |
|
|
0.00389 |
1 in 257 |
|
|
0.00147 |
1 in 680 |
|
|
0.000731 |
1 in 1,368 |
|
|
0.000687 |
1 in 1,456 |
|
|
0.000189 |
1 in 5,291 |
|
|
0.0000723 |
1 in 13,831 |
|
|
0.0000134 |
1 in 74,627 |
Pattern Recognition
Initial analysis revealed that mixed-race compatibility rates did not follow simple arithmetic means or geometric progressions. For example:
-
Drakash (Dragon 0.0078 + Shakor 0.000189): Observed rate 0.00476, not 0.00399 (arithmetic mean)
-
Shagar (Shakor 0.000189 + Garont 0.00147): Observed rate 0.000958, not 0.000830 (arithmetic mean)
Researchers then tested weighted models based on observed chromosomal dominance patterns. The 60/40 split (dominant parent 60%, recessive parent 40%) produced the closest fit across all documented mixed-race cases, with a correlation coefficient of 0.94.
Calculation Examples
Using the established chromosomal dominance hierarchy:
-
Dragon is dominant: 0.6 × 0.0078 = 0.00468
-
Shakor is recessive: 0.4 × 0.000189 = 0.0000756
-
Total: 0.00476 (observed: 0.00482, variance: 1.3%)
-
Garont is dominant: 0.6 × 0.00147 = 0.000882
-
Shakor is recessive: 0.4 × 0.000189 = 0.0000756
-
Total: 0.000958 (observed: 0.000731, variance: 23.7%)
-
Garont is dominant: 0.6 × 0.00147 = 0.000882
-
Ikor is recessive: 0.4 × 0.0113 = 0.00452
-
Total: 0.00540 (observed: 0.00512, variance: 5.2%)
This hierarchy correlates with observed compatibility rates and explains why certain mixed-race combinations (e.g., Garai = Garont + Ikor) show significantly higher compatibility than their arithmetic mean would predict.
Validation
The formula was validated against 23 additional mixed-race cases documented after 1289 AC. All cases fell within 25% of the predicted value, confirming the model's accuracy for standard first-generation hybrids.
Limitations
The formula does not account for:
-
Second-generation or higher mixed-race individuals (e.g., Garai + Shakai offspring)
-
Rare genetic mutations that override chromosomal dominance
-
Environmental factors during gestation that may affect Eidos Node development
-
Cross-dimensional variations in compatibility expression
-
Statistical variance in small sample sizes (particularly for rare combinations like Gobshak)
AIR continues to collect data on these edge cases to refine the model.