dizygousadj.
/dʌɪˈzʌɪɡəs/ Biology.
= dizygotic adj.
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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
1940 Jrnl. Heredity 31 277/1 The comparison of similarities in identical twins with similarities in fraternal or dizygous twins..affords a clue to the rôle played by heredity in producing certain traits.
1950 R. R. Race & R. Sanger Blood Groups in Man xx. 246 Distinction between monozygous and dizygous twins: blood groups are being used more and more for this purpose.
1973 B. J. Williams Evol. & Human Origins xiv. 245/2 Dizygous twins are genetically no more alike than siblings.
1983 D. J. Weatherall et al. Oxf. Textbk. Med. I. iv. 7 There is a multiplicity of twin types. The monozygous and dizygous forms are well known.
This entry has not yet been fully updated (first published 1993; most recently modified version published online March 2021).
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adj.1940