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The Journal of Heredity 1996:87(5):378-380
© 1996 The American Genetic Association 87:378-380
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Tetrasomic Segregation of Allozyme Markers in an Endangered Plant, Aster kantoensis
Department of Biology, Fukuoka University of Education, 729-1 Akama, Munakata, Fukuoka 811-41 Japan
Department of Biology and Herbarium, Faculty of Science, Shinshu University 3-I-1 Asahi, Matsumoto, Nagano, 390 Japan
Corresponding Editor: James L. Hamrick
Abstract
Tetrasomic inheritance was documented for four allozyme loci (Aat-2, Aco-2, Pgi-2, and 6pg-2) in a rare endangered plant, Aster kantoensis (Asteraceae). There was no evidence of chromatid segregation, and segregation ratios at the loci were in close agreement with the expectation of tetrasomic inheritance of the chromosome type. This study provides evidence for the autotetraploid origin of A. kantoensis and is one of several studies that have contributed to an increased appreciation of autotetraploidy.
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