dizygotic twin


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Related to dizygotic twin: monozygotic twin, fraternal twin
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Noun1.dizygotic twin - either of two twins who developed from two separate fertilized eggs
twin - either of two offspring born at the same time from the same pregnancy
References in periodicals archive ?
Unequal rate of monozygotic and like-sex dizygotic twin birth: evidence from the Minnesota twin family study.
In the dizygotic twin pairs, 16% were concordant for GERD, a significantly lower percentage.
The sequential cohort study included data from 749 monozygotic twin pairs and 687 dizygotic twin pairs between the age of 8 and 17 and their parents.
Murray and his associates looks at the concordance rate for three psychiatric disorders in a total of 222 monozygotic or dizygotic twin pairs.
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).
A female dizygotic twin with a twin brother, compared with a female dizygotic twin with a twin sister, has fewer spontaneous otoacoustic emissions (clicking sounds generated by the ear) (McFadden 1993) and less craniofacial symmetry (Boklage 1985), and exhibits more risk-taking behavior (Resnick et al.
Douglas Bremner reported data on 26 pairs of dizygotic twin brothers.
The probability that a dizygotic twin with IBS would have a mother with IBS was greater than the chance that the twin would have a cotwin with IBS (Gastroenterology 121[4]:799-804, 2001).
Large fluctuations were expected for dizygotic twin pregnancies, because the informative SNP loci would consist of 2 categories, loci in which both fetuses were heterozygous (1) and loci in which only one of the twins was heterozygous (2) (Fig.
Data Source: A population-based twin study involving 54 monozygotic and 138 dizygotic twin pairs born in 1987-2004 in which at least one of the twins met the diagnostic criteria for autism or autism spectrum disorder.
With time it became clear that this second sculpture court was in fact laid out as a mirror image of the first; each sculpture in the first room had a dizygotic twin in the second that had been placed in a bilaterally symmetrical relation to the implied seam bisecting the gallery.
While both genetics and environment have a role to play in the relationship between height and cognition, environmental factors appear to be responsible for two-thirds of the height-intelligence correlation, according to research conducted on cross-trait (height and intelligence), cross-twin correlations between monozygotic and dizygotic twin pairs.