Abstract
TRIPLOID forms of the Californian species Allium amplectens Torr. (2n = 21) are characterized by almost absolute lack of chiasmata at meiosis. In some slides no chiasmata at all occur, in other slides there may be found 1 chiasma in about 500 pollen mother-cells.
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References
Beadle, Cytologia, 3 (1932).
Richardson, J. Genetics, 31 (1935).
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LEVAN, A. A Triploid Asynaptic Allium amplectens from California. Nature 142, 118 (1938). https://doi.org/10.1038/142118a0
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DOI: https://doi.org/10.1038/142118a0
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