allotetraploidyn.

Brit.

/ˌaləʊˈtɛtrəplɔɪdi/,

/ˌaləˈtɛtrəplɔɪdi/, U.S.

/ˌæloʊˈtɛtrəˌplɔɪdi/,

/ˌæləˈtɛtrəˌplɔɪdi/

Origin: Formed within English, by compounding. Etymons: allo- comb. form, tetraploidy n. at tetraploid adj. Derivatives

Etymology: < allo- comb. form + tetraploidy n. at tetraploid adj. Derivatives, after allotetraploid n.

Biology.

The state or condition of being allotetraploid; the act or process of a hybrid becoming a new species by becoming an allotetraploid.

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

1933 Proc. Linn. Soc. 145 120 Chromosome doubling in the hybrid (allotetraploidy).

1942 J. S. Huxley Evolution iii. 87 Allotetraploidy is almost confined to plants, because of the favourable conditions provided by their vegetative growth for the rare chromosome-doubling.

1989 Jrnl. Heredity 80 26/2 Proposed origins were as follows:..allotetraploidy for P. rufum; and autotetraploidy for P. quadrifarium.

2000 D. A. Levin Origin, Expansion, & Demise Plant Species vii. 139 Lande and Schemske (1985) predicted that auto- and allotetraploidy should substantially reduce inbreeding depression caused by recessive lethal and sublethal alleles in outcrossing populations.

This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021).

单词	allotetraploidy
释义	allotetraploidyn. Brit. /ˌaləʊˈtɛtrəplɔɪdi/, /ˌaləˈtɛtrəplɔɪdi/, U.S. /ˌæloʊˈtɛtrəˌplɔɪdi/, /ˌæləˈtɛtrəˌplɔɪdi/ Origin: Formed within English, by compounding. Etymons: allo- comb. form, tetraploidy n. at tetraploid adj. Derivatives Etymology: < allo- comb. form + tetraploidy n. at tetraploid adj. Derivatives, after allotetraploid n. Biology. The state or condition of being allotetraploid; the act or process of a hybrid becoming a new species by becoming an allotetraploid. 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 1933 Proc. Linn. Soc. 145 120 Chromosome doubling in the hybrid (allotetraploidy). 1942 J. S. Huxley Evolution iii. 87 Allotetraploidy is almost confined to plants, because of the favourable conditions provided by their vegetative growth for the rare chromosome-doubling. 1989 Jrnl. Heredity 80 26/2 Proposed origins were as follows:..allotetraploidy for P. rufum; and autotetraploidy for P. quadrifarium. 2000 D. A. Levin Origin, Expansion, & Demise Plant Species vii. 139 Lande and Schemske (1985) predicted that auto- and allotetraploidy should substantially reduce inbreeding depression caused by recessive lethal and sublethal alleles in outcrossing populations. This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021). < n.1933
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