The yellow thing you peel and eat is, in fact, a fruit because it contains theseeds of the plant. Although sincebananas have been commercially grown, the plants are sterile, and theseeds have gradually been reduced to little specs.The reason the bananas we eat don't have seeds is that they are all sterile. A long time ago the Cavendish bananas first came into being when a tetraploid banana (that is a plant that has four copies of every chromosome instead of the normal two) mated with a normal diploid banana