In homeotic transformation, a normal body part is replaced by a body part which is regularly found in other regions.
| Example | Overview |
|---|---|
| Antennapedia | Antennapedia mutants of Drosophia have antennae replaced by legs. |
| Ultrabithorax | Ultrabithorax (Ubx) mutants of Drosophila have halteres (T3) replaced by wings (T2), imparting four total wings. |