polysomyn.

Brit.

/ˈpɒlɪˌsəʊmi/, U.S.

/ˈpɑliˌsoʊmi/

Origin: Formed within English, by derivation. Etymons: poly- comb. form, -some comb. form, -y suffix³.

Etymology: < poly- comb. form + -some comb. form + -y suffix³. Compare later monosomy n.

Genetics.

The state or condition of being polysomic.

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

1929 Proc. National Acad. Sci. U.S.A. 15 883 All four genera possess 7n chromosomes, more or less, the variations being due to fragmentation, fusion and polysomy.

1946 Nature 17 Aug. 239/2 It is not impossible that polysomy and failure of pairing may be jointly responsible for the abnormal numbers [of chromosomes] observed.

1973 Cytogenetics & Cell Genetics 12 87 The first recorded observation of XYY polysomy in man was made by Sandberg et al. in 1961.

2000 Proc. National Acad. Sci. U.S.A. 97 6609/1 Polysomy has been considered a powerful mechanism for protection against inbreeding.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	polysomy
释义	polysomyn. Brit. /ˈpɒlɪˌsəʊmi/, U.S. /ˈpɑliˌsoʊmi/ Origin: Formed within English, by derivation. Etymons: poly- comb. form, -some comb. form, -y suffix³. Etymology: < poly- comb. form + -some comb. form + -y suffix³. Compare later monosomy n. Genetics. The state or condition of being polysomic. 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 1929 Proc. National Acad. Sci. U.S.A. 15 883 All four genera possess 7n chromosomes, more or less, the variations being due to fragmentation, fusion and polysomy. 1946 Nature 17 Aug. 239/2 It is not impossible that polysomy and failure of pairing may be jointly responsible for the abnormal numbers [of chromosomes] observed. 1973 Cytogenetics & Cell Genetics 12 87 The first recorded observation of XYY polysomy in man was made by Sandberg et al. in 1961. 2000 Proc. National Acad. Sci. U.S.A. 97 6609/1 Polysomy has been considered a powerful mechanism for protection against inbreeding. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.1929
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