Modern corn comes from hybrid corn humans bred around 5,000 years ago in Mexico. Scientifically, the corn we eat today is all known as Zea mays. While you can find several varieties in the U.S., ...

14, No. 2 (Feb., 1927), pp. 53-75 (26 pages) 1. The diploid number of chromosomes for all strains of Zea Mays studied, with the exception of Black Mexican sweet corn, is 20. 2. In one plant of Black ...