orthoploidadj.
/ˈɔːθə(ʊ)plɔɪd/, U.S. /ˈɔrθoʊˌplɔɪd/ Biology. Now rare.
Having a complete or balanced set of chromosomes; = euploid adj.
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the world > life > biology > biological processes > genetic activity > genetic components > [adjective] > chromosome > ploidy
haploid1906
amphikaryotic1909
polyenergid1911
polyploid1911
triploid1911
tetraploid1914
hexaploid1920
octoploid1921
pentaploid1921
triplex1921
orthoploid1923
aneuploid1924
heteroploid1926
allopolyploid1927
monoploid1928
haplontic1929
hyperdiploid1929
amphidiploid1930
hyperploid1930
hypoploid1930
polysomic1930
mixoploid1931
allotetraploid1932
autopolyploid1934
autotetraploid1935
autoploid1937
polysomatic1937
monosomatic1939
polyploidizing1941
polyploidogenic1944
amphiploid1945
merodiploid1961
pseudodiploid1963
1923 Bot. Gaz. 76 408 The normal haploid chromosome number in Rosa is seven... Both orthoploid and anorthoploid forms based on this number are found.
1932 Proc. 6th Internat. Congr. Genetics II. 63 The ratios between orthoploid and aneuploid gametes in the cases studied were found to be 1·4:1.
1963 Portugaliae Acta Biol. A. 7 9 There is no doubt that euploid and aneuploid should be maintained and orthoploid and anorthoploid definitely dropped.
1997 Soil Biol. & Biochem. 29 217/2 Orthoploid earthworms (4n, 6n, etc.) reproduce both parthenogenetically and sexually.
This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022).
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adj.1923