dizygoticadj.
/dʌɪzʌɪˈɡɒtɪk/ Biology.
Of twins: derived from two separate ova (and therefore not identical).
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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
society > society and the community > kinship or relationship > kinsman or relation > child > relationship to parent > [adjective] > twin > non-identical
non-identical1855
dizygotic1930
1930 Nature 15 Nov. 766 Dizygotic twins are..on the whole inferior to their brothers and sisters in the physical measurements, but this is certainly not the case with monozygotic twins.
1952 New Biol. 12 27 Ordinary fraternal or dizygotic twins are due to the independent fertilization of two separate ova and may be of the same or of different sex.
1966 Lancet 24 Dec. 1401/2 The frequency of monozygotic twins ranges from 1·9 to 6·9 per 1000 births, but of dizygotic twins from 2·7 to 32·2 per 1000.
This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018).
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adj.1930