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单词 idiochromosome
释义

> as lemmas

idiochromosome
idiochromosome n.
Brit. /ˌɪdɪə(ʊ)ˈkrəʊməsəʊm/
,
U.S. /ˌɪdiəˈkroʊməˌsoʊm/
,
/ˌɪdioʊˈkroʊməˌsoʊm/
Genetics (now disused) (E. B. Wilson's term for) a sex chromosome, present in only one of the sexes (the heterogametic sex), which pairs with another of a different size during cell division; (in wider sense) a sex chromosome.
ΘΚΠ
the world > life > biology > biological processes > genetic activity > genetic components > [noun] > chromosome > types of chromosome
chromoplastid1885
accessory chromosome1899
chromoplast1902
X1902
heterochromosome1904
idiochromosome1905
macrochromosome1905
allosome1906
autosome1906
monosome1906
sex chromosome1906
supernumerary1907
X chromosome1911
Y chromosome1911
univalent1912
euchromosome1914
W1917
monosome1921
tetrasome1921
trisome1921
heterosome1938
isochromosome1939
trisomic1939
metacentric1945
acrocentric1949
polycentric1953
Philadelphia chromosome1961
monocentric1979
1905 Science 30 June 992/2 These corresponding but unequal chromosomes..may be called the ‘idiochromosomes’. They always remain separate in the first division.
1920 L. Doncaster Introd. Study Cytol. xi. 159 Most frequently the idio-chromosomes lag behind the autosomes in the spermatocyte anaphases, and the presence of such a lagging pair has sometimes been the first observed indication of the existence of a pair of idio-chromosomes.
extracted from idio-comb. form
<
as lemmas
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