The corresponding SD values for the dizygotic twin
cases ranged from 2.
Also, RS+ gene is present in approximately 80% of the population, in which are included the monozygotic and, also, dizygotic twins
Cholinesterase results were obtained for 2237 samples, including 564 complete monozygotic and 518 dizygotic twin
Titers of ASCA were not similar within discordant mono- or dizygotic twin
pairs with Crohn's disease.
However, if one monozygotic twin had insomnia, their twin was more likely to have insomnia than if they were dizygotic twins
," he said.
Murray and his associates looks at the concordance rate for three psychiatric disorders in a total of 222 monozygotic or dizygotic twin
In the dizygotic twin
pairs, 16% were concordant for GERD, a significantly lower percentage.
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 121:799-804, 2001).
On the other hand, the incidence of dizygotic twin
pregnancy is considerably influenced by race, heredity, maternal age, parity and specially drugs affecting reproduction, thus giving rise to different frequency throughout the world.
Unequal rate of monozygotic and like-sex dizygotic twin
birth: evidence from the Minnesota twin family study.
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.
The condition is seen in 100-150 times more frequently in monozygotic than dizygotic twin
or singeltons and males are three times more affected than females (2).
Douglas Bremner reported data on 26 pairs of dizygotic twin
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).
The studies of asthma and hay fever suggested that the prevalence of having both conditions was high (32%) and that they were more likely to occur together in monozygotic twins than they were in dizygotic twins