monoploidyn.
/ˈmɒnə(ʊ)plɔɪdi/, U.S. /ˈmɑnəˌplɔɪdi/ The condition of being monoploid.
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the world > life > biology > biological processes > genetic activity > genetic components > [noun] > chromosome > ploidy
triploidy1916
tetraploidy1918
haploidy1921
hexaploidy1922
polyploidy1922
octoploidy1924
aneuploidy1925
heteroploidy1926
allopolyploidy1927
autopolyploidy1928
hyperdiploidy1929
polysomy1929
hyperploidy1930
hypoploidy1930
mixoploidy1931
syndiploidy1932
allotetraploidy1933
autotetraploidy1935
monoploidy1937
polysomaty1937
ploidy1940
pseudodiploidy1965
polysomatism1967
1937 New Phytologist 36 303 It appears to be the first instance of monoploidy in a wild, well-established species that has many individuals which look alike.
1943 L. W. Sharp Fund. Cytol. xiv. 211 In the sporophytes of plants true monoploidy occurs very rarely.
1955 G. F. Sprague Corn & Corn Improvement iv. 131 Genes for a high incidence of monoploidy.
1969 Science 12 Dec. 1423/1 Monoploidy might occur preferentially among embryos of polyembryonic sets.
1971 Ann. Rev. Ecol. & Systematics 2 350 Haploidy (monoploidy).—This occurs when the normally diploid phase of an organism has only one genome.
This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).
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n.1937