| Organism | Quantitative characteristic | |
|---|---|---|
| Tomato | Soluble solids Fruit mass Fruit pH Growth Leaflet shape Height |
|
| Corn | Height Leaf length Tiller number Glume hardness Grain yield Number of ears Thermotolerance |
|
| Common bean | Number of root nodules | |
| Mung bean | Seed weight | |
| Cow pea | Seed weight | |
| Wheat | Preharvest sprout | |
| Pig | Growth Length of small intestine Average back fat Abdominal fat |
|
| Mouse | Epilepsy | |
| Rat | Hypertension | |
|
Source: After S. D. Tanksley, Mapping polygenes, Annual Review of Genetics 27:218, 1993. |
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