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Gestation and birthweight in dizygotic twins [PDF]
The Lancet, 2002 Sir—Ruth Loos and colleagues (Aug 18, p 560) report that, within dizogotic twin pairs, same sex female twins have longer gestations than same sex male twins. They further note that in mixed sex twins, gestation is longer than for same sex male twins, and that the male co-twins are larger than those in same-sex pairs.
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Lifestyle factors in monozygotic and dizygotic twins
Genetic Epidemiology, 1988AbstractIn examining genetic influences on biological variables using twins, it may be important to examine the distribution between and within twin pairs of demographic and lifestyle factors that may themselves affect the biological variable being studied.
Dck Roberts +8 more
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The Sex Ratios of Monozygotic and Dizygotic Twins
Twin Research and Human Genetics, 2010AbstractFellman and Eriksson (2010) cited my suggestion that the sex ratio (proportion male) of monozygotic (MZ) twins is lower than that of dizygotic (DZ) twins (James 1975). Here I offer elaborations on and potential explanations for this.
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Sirenomelia and anencephaly in one of dizygotic twins
Teratology, 1986AbstractThe combination of sirenomelia and anencephaly was observed in a stillborn dizygotic twin. A review of the literature revealed no other patients reported to have both conditions. Various explanations concerning the genesis of sirenomelia, and also the combination with anencephaly, are discussed.
H. Schwaibold +3 more
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Williams Syndrome in One Dizygotic Twin
Pediatrics International, 1991Williams syndrome is a disorder of unknown etiology with a characteristic facial appearance, vascular disease and infantile hypercalcemia. Most cases are sporadic. We report the case of a dizygotic male twin with the Williams syndrome. This appears to be the first report of twins with only one affected.
Tomiko Hokama, John G. Rogers M.B.B.S
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Amyotrophic lateral sclerosis in dizygotic twins
Neurology, 1977A pair of dizygotic twins developed typical amyotrophic lateral sclerosis during adulthood. The concordance for this disease in these two patients of nonconsanguineous parentage with no family history of the disorder suggests the possibility of sublethal intrauterine injury to anterior horn cells.
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CONCORDANT SITUS INVERSUS IN DIZYGOTIC TWINS [PDF]
Journal of Heredity, 1948 openaire +2 more sources
Decline in Dizygotic Twinning (Cont.)
New England Journal of Medicine, 1973openaire +3 more sources