The bananas you find in the average U.S. grocery store are pretty much the same: They're the genetic variety known as Cavendish.
In the market in Mayagüez, Puerto Rico, though, you have choices.
Brian Irish, a scientist who has been working at the U.S. Department of Agriculture's Tropical Agriculture Research Station in Mayagüez, points out our options. There are Cavendish bananas, to be sure, but also red-skinned varieties, miniature ones and others that seem extra plump.
