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单词 allopolyploid
释义

allopolyploidadj.n.

Brit. /ˌalə(ʊ)ˈpɒlᵻplɔɪd/, U.S. /ˌæloʊˈpɑləˌplɔɪd/, /ˌæləˈpɑləˌplɔɪd/
Origin: Formed within English, by compounding. Etymons: allo- comb. form, polyploid adj.
Etymology: < allo- comb. form + polyploid adj. Compare German allopolyploid , adjective (1929 or earlier). Compare autopolyploid n., autopolyploid adj.
Biology.
A. adj.
Designating a polyploid whose sets of chromosomes are derived from different species; of or relating to such a polyploid.
ΘΚΠ
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
1927 Genetica 9 269 R. thyrsiger should therefore be regarded as intermediate in constitution between the allopolyploid Primula kewensis and the autopolyploid giant Solanum lycopersicum.
1953 Rep. 13th Internat. Hort. Congr. 1952 66 Allopolyploid or amphidiploid groups [of plants]..should be treated as species.
2005 E. P. Solomon et al. Biology (ed. 7) xix. 373/2 These allopolyploid plants had the same appearance and chromosome number as the naturally occurring G. tetrahit.
B. n.
A polyploid organism of this type.
ΘΚΠ
the world > life > biology > biological processes > genetic activity > genetic components > [noun] > chromosome > ploidy > individual
haploid1908
tetraploid1914
haplont1918
hexaploid1921
pentaploid1921
pseudotetraploid1923
octoploid1926
triploid1927
allopolyploid1928
autopolyploid1928
polyploid1928
hyperdiploid1929
allotetraploid1930
autotetraploid1930
hyperploid1930
hypoploid1930
autoploid1932
polysomic1933
mixoploid1939
monoploid1944
amphiploid1945
merozygote1956
merodiploid1964
1928 C. D. Darlington in Jrnl. Genetics 19 243 It is impossible to draw any but an arbitrary line across the innumerable gradations between a pure type, as pure as inbreeding can produce, and a hybrid;..it is thus impossible to distinguish in absolute terms between an allo-polyploid and an auto-polyploid.
1952 P. Mann Systematics Flowering Plants i. 33 In theory the fertile allopolyploids are quite distinct from the sterile autopolyploids, but in practice they grade closely one into the other.
2009 J. A. Coyne Why Evol. is True vii. 202 In fact, such ‘doubled-chromosome’ allopolyploids occur with regularity, giving rise to new species.
This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021).
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adj.n.1927
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