George beadle concluded that teosinte is the likely ancestor of maize (corn), even though the two plants appear very different. what evidence did dr. beadle collect that led to his conclusion?

Teosinte and maize have similar chromosomes.

Teosinte and maize can produce fertile hybrids.
I think those 2 are the answers

Americans often speak of their country as one of several large regions.  these regions are cultural units rather than governmental units --  formed by history and geography and shaped by the economics, literature and folkways that all the parts of a region share. what makes one region different from another? a region's multicultural heritage as well as distinct demographic characteristics like age and occupation make regions different and special. within several regions, language is used differently and there are strong dialects. there are also differences in outlook and attitude based on geography.