单词 | monozygous |
释义 | monozygousadj. 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). < adj.1921 |
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