Sentences with phrase «twin pairs»

Through a similar process, the team also distinguished individual sibling and twin pairs from unrelated pairs in both children and adults.
The investigators used the genome - wide association approach to look for connections between genetic variations between twin pairs and certain bacterial types that were present and stable in the study subjects.
The four studies that are included in the thesis have examined more than 18,000 twin pairs aged between 20 and 46 years.
After controlling for these genetic influences, there was no within - twin pair association between sexual activity and delinquency in younger adolescents.
The team updated a classic 1982 experiment in which researchers measured the polarizations, or spatial orientations, of twin pairs of photons.
The study is the first to look at identical twin pairs in which one twin had early age - related macular degeneration, and the other had late stage age - related macular degeneration.
Therefore, our aim was to investigate genome - wide differences in expression and DNA methylation in adipose tissue from MZ twin pairs discordant for T2D.
Retrospective reports of antisocial behaviour prior to age 18 were obtained from a population - based sample of 2769 adult males from male — male twin pairs born between 1940 and 1974.
A recent study of over 500 teenaged same - sex twin pairs suggests there may be a hidden benefit of being a lovesick teen.
We transplanted fecal microbiota from adult female twin pairs discordant for obesity into germ - free mice fed low - fat mouse chow, as well as diets representing different levels of saturated fat and fruit and vegetable consumption typical of the U.S. diet.
In the Stanford study, the heightened divergence of immune parameters in older twin pairs lends credence to this theory, Barry says.
Using a genetically informed design based on 266 monozygotic and dizygotic twin pairs, this study examined whether the expression of genetic risk for aggressive and non-aggressive antisocial behavior varies depending on the peer group's injunctive norms (i.e., the degree of acceptability) of each type of antisocial behavior.
Transplanting the intact uncultured or cultured human fecal microbiota from each member of a discordant twin pair into separate groups of recipient germfree mice permits the donors» communities to be replicated, differences between their properties to be identified, the impact of these differences on body composition and metabolic phenotypes to be discerned, and the effects of diet - by - microbiota interactions to be analyzed.
The Netherlands Twin Register has followed twin pairs for over 25 years and in collaboration with the longitudinal Netherlands Study of Depression and Anxiety established a resource for genetic and expression studies.
Bouchard put 12 male identical - twin pairs on a diet of an extra 1,000 daily calories above their normal eating pattern for 84 days.
4/17/2007 Twin Studies Reveal Genetic Components Leading To Cardiac and Kidney Disease Studies may point to new drug targets for heritable conditions Daniel O'Connor, M.D., Professor of Medicine and Pharmacology at the University of California, San Diego (UCSD) School of Medicine has studied about 265 twin pairs over the past few year... More...
Other studies have found potential genetic links to explain why children of divorced parents have a higher risk of divorce and why divorce is common among identical twins (If one twin in an identical twin pair divorced, it's much more likely that his or her twin would be divorced, too).
Two names that would make an excellent boy - girl twin pair, with their soulful sounding tones are Sydney and Sean.
A rough illustration of this finding can be seen in the concordance of identical and fraternal twins for high intelligence for twin pairs selected because at least one member of the pair has an IQ score above 120.
If the conjecture is right, then no matter how big numbers get, there will always be bigger twin pairs to be found.
By examining twin pairs — both monozygotic (identical from same fertilized egg) and dizygotic (fraternal from separate fertilized eggs)-- UW researchers assessed the extent psychological distress is related to caregiving, or confounded by common genes and environmental exposure.
Hallmayer's study of 192 twin pairs tells a much different story.
They examined verbal developmental differences for two cohorts of twins, among which twin pairs dissimilar in childhood language development were identified.
Twin pairs grow up in the same environment, but are affected by individual environmental factors, such as diseases and their circles of friends.
Burt had provided the purest data ever, with 48 of his 53 twin pairs completely separated.
«We discovered that mothers used lower pitch and more variable intonation with a larger pitch range while speaking to the normal - hearing as compared to hearing - impaired twin pairs,» Kondaurova said.
Regression analysis was used to relate expression and methylation in discordant twins taking twin pair relationship into account.
Skeleton Twins pairs the both of them together as two twins going through life.
This 1964 BMW R60 / 2 is powered by a 600cc twin paired with a 4 - speed transmission and has been with the seller for 34 years.
Upgrades from the 1962 - model S2 include iconic twin paired headlamps, 7 % increased horsepower from the aluminum - block engine with increased 9:1 compression, and larger dual carburetors for a top speed of 115mph.
Thanks to its use of an oversized single driver, rather than the usual twin pair of smaller cones, the Soundspot was able to reproduce an impressive amount of sound pressure, as well as a pleasantly warm and full sound signature in our testing.
Only 21 monozygotic twin pairs out of a total of 74 monozygotic pairs, or 28 percent, were concordant for transsexualism; the remaining 72 percent of identical twins were discordant for transsexualism.
To evaluate the three possible explanations, we used model - fitting procedures applied to parent - rating data averaged across 14, 20, 24, and 36 months of age in a sample of 196 twin pairs participating in the MacArthur Longitudinal Twin Study.
The data used in this report derive from an ongoing study of white twin pairs from the Virginia Twin Registry, 24,25 a population - based registry formed from a review of all birth certificates in the Commonwealth of Virginia.
Visscher and colleagues [83] have provided a web - based power calculation tool for determining the minimum number of twin pairs required to detect A and C in an ACE model of given parameters.
Validity of the zygosity questionnaire and characteristics of zygosity - misdiagnosed twin pairs in the Healthy Twin Study of Korea.
The first sample, a twin sample from the Early Childhood Longitudinal Study - Birth Cohort (ECLS - B), was composed of approximately 600 twin pairs measured on externalizing at ages 4 and 5.
And among identical twin siblings, who have the same genome, immune system features differed more strikingly within older twin pairs than in younger sets.
Our results provide no support for the hypothesis of masculinization of female twins from opposite sex twin pairs.
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