dizygous


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di·zy·got·ic

, dizygous (dī'zī-got'ik, dī-zī'gŭs),
Relating to twins derived from two separate zygotes, that is, bearing the same genetic relationship as full sibs but sharing a common intrauterine environment.
[G. di-, two, + zygotos, yoked together]

di·zy·got·ic

, dizygous (dī-zī-got'ik, dī-zī'gŭs)
Relating to twins derived from two zygotes but sharing a common intrauterine environment.
[G. di-, two, + zygotos, yoked together]

dizygotic, dizygous

pertaining to or derived from two separate zygotes (fertilized ova); said of twins.
References in periodicals archive ?
A 48-year-old woman has given birth to dizygous monochorionic twins, forcing doctors to discount a long-held belief that had been virtually unquestioned.
One study of 57 monozygous and 49 dizygous twin pairs reared apart and 90 nontwin siblings showed that impulsivity as assessed by a personality questionnaire was significantly correlated in the monozygous twins but not in the others.
True dizygous (fraternal) twins would still reflect inheritance of their parents' genes but would not be matched across most loci, let alone be matched at these particular 16 loci simultaneously.