Sorgos, or sweet sorghums, are grown mainly in the United States and the southern part of Africa for forage and for syrup manufacture. In some countries the sweet stalks are chewed. The source cooks with Teff, and attributes it with 'a deliciously pleasing nutty flavor, slightly reminiscient of Nut Brown ale' after roasting the ground grain. Check your local health food store for raw Teff in small quanities. Some are cultivated, and some still grow wild.
Chromosomes are the carriers of genetic information in the plant cell.
They are called diploids.