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- noun Plural form of
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In other instances, distinctions between related species are readily observed as the light microscope level, such as polyploidizations that are common in plants, or amplifications of DNA that do not alter chromosome number or basic metaphase morphologies.
Tragopogon miscellus and T. mirus, two allopolyploid species of goatsbeard, may have formed as many as 20 and 12 times, respectively, in eastern Washington and adjacent Idaho (USA) in only the past 60 – 70 years; multiple polyploidizations have even occurred within single small towns