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Maize is diploid with 20 chromosomes. 83% of allelic variation within the genome derives from its teosinte ancestors, primarily due to the freedom of Zea species to outcross. [38] Barbara McClintock used maize to validate her transposon theory of "jumping genes", for which she won the 1983 Nobel Prize in Physiology or Medicine. [39]
By 1906 he owned and 225,000 acres in Illinois, Kansas, Nebraska, and Missouri, renting it out to 1200 tenants. [ 10 ] On account of new agricultural technology developments between 1860 and 1970, the Corn Belt went from producing mixed crops and livestock into becoming an area focused strictly on wheat-cash planting.
Streetcars in Kansas City were the primary public transit mode during the late 19th and early 20th centuries, like most North American cities. [ 2 ] [ 3 ] Kansas City, Missouri once had one of the most extensive streetcar systems in North America, but the last of its 25 streetcar routes was shut down in 1957.
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The production of corn (Zea mays mays, also known as "maize") plays a major role in the economy of the United States. The US is the largest corn producer in the world, with 96,000,000 acres (39,000,000 ha) of land reserved for corn production. Corn growth is dominated by west/north central Iowa and east central Illinois. Approximately 13% of ...
Corn kernels are the fruits of maize. Maize is a grain, and the kernels are used in cooking as a vegetable or a source of starch. The kernels can be of various colors: blackish, bluish-gray, purple, green, red, white and yellow. The kernel of maize consists of a pericarp (fruit wall) fused to the seed coat.
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