What is Common wheat?
{{Speciesbox |name = Common wheat |image = Blé tendre (GRAPELLI) AO-5-cliche Jean Weber (5) (23975019962).jpg |image_caption = Ears of common wheat |genus = Triticum |species = aestivum |authority = [[Carl Linnaeus|L.]] |synonyms_ref = |synonyms = *''Triticum sativum'' {{au|Lam.}} *''Triticum vulgare'' {{au|Vill.}} }} '''Common wheat''' (''Triticum aestivum''), also known as '''bread wheat''', is a cultivated [[wheat]] species.<ref>{{Cite book|title=The world wheat book : a history of wheat breeding|url=https://archive.org/details/isbn_1898298726|publisher=Intercept|year=2001|isbn=1-898298-72-6|editor-last=Bonjean, Alain P.|location=Andover|page=[https://archive.org/details/isbn_1898298726/page/1131 1131]}} Excellent resource for 20th century plant breeding.</ref><ref>{{Cite book|title=Wheat taxonomy : the legacy of John Percival|publisher=Linnean Society, Linnean Special Issue 3|year=2001|editor-last=P.E. Brandham|location=London|page=190|editor-last2=Caligari, P.D.S.}}</ref><ref>{{Cite book | editor=Heyne E.G. | year= 1987 | title=Wheat and wheat improvement | url=https://archive.org/details/wheatwheatimprov0000unse | location=Madison, Wis. | publisher=American Society of Agronomy | isbn=0-89118-091-5 | page= [https://archive.org/details/wheatwheatimprov0000unse/page/765 765]}}</ref><ref name=Zohary>{{Cite book | author=Zohary, Daniel and Maria Hopf | year=2000 | title=Domestication of Old World plants: the origin and spread of cultivated plants in West Asia | location=Oxford | publisher=Oxford University Press | isbn=0-19-850356-3 | page=316}} Standard reference for evolution and early history.</ref> About 95% of the wheat produced is common wheat. Common wheat has been got by many generations of [[artificial selection]] by farmers choosing the most productive plants which occurred in their [[crops]].<ref name=Zohary/> ==Evolution== Bread wheat is an [[polyploidy|allohexaploid]], instead of the original two sets ([[diploid]]). There are six sets of chromosomes, two sets from each of three different speci