Final answer:
The phenotypes of flies with different gene combinations would be black bodies and cinnabar eyes, black bodies and red eyes, gray bodies and cinnabar eyes, and gray bodies and red eyes.
Step-by-step explanation:
The phenotypes of flies with the following combinations of genes would be:
- Flies with a broad elongated head and split legs: Black bodies and cinnabar eyes.
- Flies with a broad elongated head and normal legs: Black bodies and red eyes.
- Flies with a normal head and split legs: Gray bodies and cinnabar eyes.
- Flies with a normal head and normal legs: Gray bodies and red eyes.