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dizygotic twin

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dizygotic twin

In medicine, one of a pair of twins born to the same parents at the same time following the fertilization of two separate ova. They may be of different sexes and they are no more likely to resemble each other than any other sibling pair.
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A surprisingly elementary error occurs in Kauth's discussion of genetic studies, in which he states that dizygotic twins share half of their genes but that ordinary siblings "share only 25% of their genetic material .
True Nature: A Theory of Sexual Attraction. (Book reviews: is half an ... by Bem, Daryl / The Journal of Sex Research
We estimated the influence of genetic factors on these markers in a cohort of 61 monozygotic and 103 dizygotic twin pairs (mean age = 68 years, range = 49-86).
Both the Environment and Genes Are Important for Concentrations of ... by Pedersen, Nancy L. / Environmental Health Perspectives
James argues that our survey of studies which illustrate the over-representation of like-sex dizygotic twins (DZ) versus unlike-sex dizygotic twins (DZ) could be explained by systematic false positives (i.
RESPONSE TO JAMES by Coney, Nancy S. / The Journal of Sex Research
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