bananas
The banana is a fruit which naturally disects into three parts (try it!). To do this, peel the banana and push down on the top of the banana with your finger, and it will start to divide into three parts.
Cultivated bananas are seedless because they have three of each type of chromosome instead of the normal two of each type. Such plants are called "triploid” (a triploid has three times the haploid number of chromosomes in the cell nucleus). They are always sterile. Genetic triploid freaks arise from time to time in nature, but modern breeders can also use chemicals or electric shocks to create triploid mutant cells.
Here is a site with many banana recepies.
