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单词 polygeny
释义

polygenyn.1

Brit. /pəˈlɪdʒᵻni/, /pəˈlɪdʒn̩i/, /pɒˈlɪdʒᵻni/, /pɒˈlɪdʒn̩i/, U.S. /pəˈlɪdʒəni/
Origin: Formed within English, by compounding. Etymons: poly- comb. form, -geny comb. form.
Etymology: < poly- comb. form + -geny comb. form. Compare French polygénie (1861 or earlier). Compare slightly earlier polygenesis n., and also monogeny n. 2.
Ethnology. Now historical.
= polygenesis n. 2a.
ΘΚΠ
the world > life > biology > biological processes > genetic activity > heredity or hereditary descent > [noun] > descent from independent ancestors
polygeny1865
polygenesis1882
polyphylesis1897
polyphyly1909
polyphyletism1936
1865 Reader 14 Oct. 433/3 An anthropological paper entitled ‘Monogeny and Polygeny’.
1893 S. Laing Human Origins 405 Polygeny, or plural origins, would at first sight seem to be the most plausible theory to account for the great diversities of human races.
1991 S. J. Gould Bully for Brontosaurus xv. 239 We must..learn whether he regarded all humans as members of one species or as products of several separate creations (a popular position known at the time as polygeny).
2000 S. B. Somerville Queering Color Line i. 22 Scientific studies of race before Darwin tended to fall into two general schools of thought, monogeny and polygeny.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

polygenyn.2

Brit. /pəˈlɪdʒᵻni/, /pəˈlɪdʒn̩i/, /pɒˈlɪdʒᵻni/, /pɒˈlɪdʒn̩i/, U.S. /pəˈlɪdʒəni/
Origin: Formed within English, by derivation. Etymons: polygene n., polygenic adj.2, -y suffix3.
Etymology: < polygen- (in polygene n., polygenic adj.2) + -y suffix3.
Genetics.
Polygenic determination or inheritance.
ΚΠ
1963 E. Zuckerkandl in S. L. Washburn Classif. & Human Evol. 260 Secondary modifications of amino-acid sequence..may be a mild manifestation of polygeny at the level of primary protein structure.
1982 E. Mayr Growth Biol. Thought xvii. 733 They were the first to discover certain deviations from the simple Mendelian situation (for example, polygeny and incomplete linkage).
1996 Evolution 50 972 Examples include immunoglobulin antigen binding, hair color, and enzyme activity. These are functions with low polygeny and low pleiotropy.
This is a new entry (OED Third Edition, September 2006; most recently modified version published online March 2022).
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