In capsicum the fruit colour is green,red, yellow i.e there is three phenotype for a single trait is this an example of multiple allelism or co dominance

Believe it or not,red,green,yellowand orange bellpeppersare all thesametype ofpepperbut just at different stages of ripeness.Green peppersare unripe,red are fully ripe, withyellowand orange in between the two. As thepeppersage and ripen their taste, their health benefits change too.