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单词 monozygous
释义

monozygousadj.

Brit. /ˌmɒnə(ʊ)ˈzʌɪɡəs/, U.S. /ˌmɑnəˈzaɪɡəs/
Origin: Formed within English, by compounding. Etymons: mono- comb. form, -zygous comb. form.
Etymology: < mono- comb. form + -zygous comb. form. Compare earlier monozygotic adj.
1. Genetics. Involving or dependent upon one pair of chromosomes. rare. disused.
ΚΠ
1921 G. H. Shull in Science 9 Sept. 214/2 These three categories may be named, respectively, monozeuxis (one pair [of chromosomes] involved), pleiozeuxis (two or more pairs), and anomozeuxis (involving chromosomal irregularities), and the corresponding adjectives will be monozygous, pleiozygous and anomozygous.
1921 Amer. Naturalist 55 567 Monozygous and pleiozygous, although often interchangeable with linked and unlinked, should be useful [terms].
2. Biology and Medicine. = monozygotic adj.
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [adjective] > zygote or syngamete > monozygosity, etc.
binovular1900
uniovular1904
heterozygotic1911
monozygotic1916
one-egg1921
homozygotic1927
dizygotic1930
monozygous1931
monovular1932
dizygous1940
monozygote1955
two-egg1959
1931 Jrnl. Heredity 22 18/1 It therefore seems justifiable in the case here to..regard the symmetry reversal of their irides as indicative of the monozygous origin of my visitor and his sister.
1957 Encycl. Brit. XI. 495/2 Proof that a given pair of twins is monozygous or dizygous is most certain if the blood groups are determined.
1991 Pulse 6 Apr. 37/4 MS..is more common in monozygous than in dizygous twins.
2000 Jrnl. Exper. Biol. 203 1733 Since armadillos give birth to only monozygous quadruplets, the genetic variation within litters is essentially zero.
This is a new entry (OED Third Edition, December 2002; most recently modified version published online March 2022).
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adj.1921
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