| Scope of the research | Results or factors related to heterosis | References |
| Genetics | Dominance | [7] [8] |
| Genetics | Over-dominance | [1] |
| Transcriptomics | Global expression trend (additive, non-additive and dominance) | [11] -[13] [16] |
| Transcriptomics | Genomic imprinting | [10] |
| Transcriptomics | Parent-of-origin effects | [19] [20] [21] |
| Transcriptomics | Dosage-sensitive factors | [22] |
| Transcriptomics | Altered expression of circadian and flowering genes | [25] |
| Proteomics | Global expression trend (additive and non-additive) | [27] |
| Proteomics | Altered expression of isoforms and modifications proteins | [28] |
| Epigenetics | DNA methylation | [18] [23] [24] |
| Epigenetics | Small RNAs | [17] |
| Energies | Energy utilization efficiency | [31] |