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CHANGES IN MORPHOLOGICAL CHARACTERISTICS
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abnormal Acad acceleration action Afanas'eva anaphase appearance Atabekova authors barley Biol biologischen Breslavets buds centromeres chondriosomes chro chromatin chromo chromosomal aberrations control plants cosmic rays creases cytological cytoplasm dosages dose of 250 effects of radiation experiments exposure flowers forms Fortschr fragments frequency of mutations gene mutations Genet germination Goodspeed growth haploid indicate induced intracellular changes investigations irradiated plants irradiated seeds Journ large number leaves length meiosis ment metaphase mitosis muta mutations Nadson Nicotiana Nicotiana tabacum normal nuclear nuclei nucleoli number of cells number of ears number of mutations observed obtained peas plastids pollen grains polyploid Proc produced prophase protoplasm radium rayons retardation Roentgen ROntgenstr rootlets roots Russian seedlings sensitivity showed soaked species sprouts Stadler stages stems Strahlentherapie Stubbe tabacum Table tetraploid tion tissues translocations Triticum Uber variety various Vestn Vicia faba weight of seeds wheat X rays X-ray X-ray mutants Zeitschr