aneuploidadj.n.

Brit.

/ˈanjʊplɔɪd/, U.S.

/ˈænjᵿˌplɔɪd/

Origin: A borrowing from German. Etymon: German aneuploid.

Etymology: < German aneuploid (G. Täckholm 1922, in Acta Horti Bergiani 7 234) < an- an- prefix² + euploid euploid adj. Compare -ploid comb. form.

Biology.

A. adj.

Of an individual, species, cell, etc.: having a set of chromosomes whose number is not an exact multiple of the organism's normal or typical haploid number; affected with aneuploidy. Also: designating such a set of chromosomes.

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

1924 Amer. Jrnl. Bot. 11 312 One group of hybrids he [sc. Täckholm] designates as aneuploid, for the bivalent and univalent chromosomes are not in multiples of 7, and even the somatic number seems very irregular.

1946 Nature 12 Oct. 520/1 Reduced fertility in autotetraploids depends primarily on irregular chromosome distribution in meiosis, leading to the formation of aneuploid micro- and macrospores and consequently to pollen abortion.

2004 New Scientist 12 June 6/4 While about 1 per cent of embryos from women in their 20s and early 30s are aneuploid, in women over 40 the figure is over 50 per cent.

2013 Tissue & Cell 45 211/2 Symphypleona males have an aberrant spermatogenesis due to the presence of an aneuploid set of chromosomes.

B. n.

An aneuploid individual, species, or cell.

ΚΠ

1925 C. C. Hurst Exper. in Genetics xxxviii. 535 All are 7 or a multiple of 7, for if they were not, aneuploids would be frequent.

1975 J. H. Burnett Mycogenetics ii. 44 Aneuploids are usually not very vigorous compared with euploids.

1998 A. M. van Harten Mutation Breeding iii. 81/2 Hyacinths appear to be an exception to the rule that aneuploids that are derived from diploids always show detrimental effects.

Derivatives

ˈaneuˌploidy n. the condition of being aneuploid; an instance or type of this condition. [After German Aneuploidie (G. Täckholm 1922, in Acta Horti Bergiani 7 234).] Aneuploidy, like polyploidy, is much more common in plants than in animals. Its effects on development and reproduction, which are almost always deleterious in animals, are less predictable in plants, in which it may play a role in speciation.

ΘΚΠ

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

1925 C. C. Hurst Exper. in Genetics xxxviii. 535 Täckholm (1922) reports 4 cases of aneuploid Rosæ out of 293 examined, which he presumes are F₂ or F₃ hybrids, and it is possible that cases of aneuploidy may occur in Rosa species.

1968 New Eng. Jrnl. Med. 4 Apr. 799/1 The occurrence of these two karyotypic anomalies in siblings does not differ from that of two different aneuploidies, such as the trisomy 18 and the trisomy 21.

2005 C. Tudge Secret Life Trees i. 23 Aneuploidy in animals generally leads to various degrees of disorder.

This entry has been updated (OED Third Edition, March 2020; most recently modified version published online December 2021).

单词	aneuploid
释义	aneuploidadj.n. Brit. /ˈanjʊplɔɪd/, U.S. /ˈænjᵿˌplɔɪd/ Origin: A borrowing from German. Etymon: German aneuploid. Etymology: < German aneuploid (G. Täckholm 1922, in Acta Horti Bergiani 7 234) < an- an- prefix² + euploid euploid adj. Compare -ploid comb. form. Biology. A. adj. Of an individual, species, cell, etc.: having a set of chromosomes whose number is not an exact multiple of the organism's normal or typical haploid number; affected with aneuploidy. Also: designating such a set of chromosomes. 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 1924 Amer. Jrnl. Bot. 11 312 One group of hybrids he [sc. Täckholm] designates as aneuploid, for the bivalent and univalent chromosomes are not in multiples of 7, and even the somatic number seems very irregular. 1946 Nature 12 Oct. 520/1 Reduced fertility in autotetraploids depends primarily on irregular chromosome distribution in meiosis, leading to the formation of aneuploid micro- and macrospores and consequently to pollen abortion. 2004 New Scientist 12 June 6/4 While about 1 per cent of embryos from women in their 20s and early 30s are aneuploid, in women over 40 the figure is over 50 per cent. 2013 Tissue & Cell 45 211/2 Symphypleona males have an aberrant spermatogenesis due to the presence of an aneuploid set of chromosomes. B. n. An aneuploid individual, species, or cell. ΚΠ 1925 C. C. Hurst Exper. in Genetics xxxviii. 535 All are 7 or a multiple of 7, for if they were not, aneuploids would be frequent. 1975 J. H. Burnett Mycogenetics ii. 44 Aneuploids are usually not very vigorous compared with euploids. 1998 A. M. van Harten Mutation Breeding iii. 81/2 Hyacinths appear to be an exception to the rule that aneuploids that are derived from diploids always show detrimental effects. Derivatives ˈaneuˌploidy n. the condition of being aneuploid; an instance or type of this condition. [After German Aneuploidie (G. Täckholm 1922, in Acta Horti Bergiani 7 234).] Aneuploidy, like polyploidy, is much more common in plants than in animals. Its effects on development and reproduction, which are almost always deleterious in animals, are less predictable in plants, in which it may play a role in speciation. ΘΚΠ 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 1925 C. C. Hurst Exper. in Genetics xxxviii. 535 Täckholm (1922) reports 4 cases of aneuploid Rosæ out of 293 examined, which he presumes are F₂ or F₃ hybrids, and it is possible that cases of aneuploidy may occur in Rosa species. 1968 New Eng. Jrnl. Med. 4 Apr. 799/1 The occurrence of these two karyotypic anomalies in siblings does not differ from that of two different aneuploidies, such as the trisomy 18 and the trisomy 21. 2005 C. Tudge Secret Life Trees i. 23 Aneuploidy in animals generally leads to various degrees of disorder. This entry has been updated (OED Third Edition, March 2020; most recently modified version published online December 2021). < adj.n.1924
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