Instead, they can sense light through their skin. These natural light sensors let the earthworms know when they are getting too close to a bright light, such as the sun. Earthworms try to stay out of sunlight because the heat from the sun dries out their skin.
Explanation: since the gene controlling the white eye is recessive Gene its not expressed even in the offspring hence we have 2 red eyes male and 2 red eye female.
