Results 91 to 100 of about 25,174 (207)

Examining the Utility of the Mammalian Methylation Array for Pan-Mammalian Analysis of Monozygotic Twinning

open access: yesEpigenomes
Background/Objectives: Human identical twins are born at a rate of 3–4 per 1000 live births. Many other mammals also occasionally produce monozygotic twins, referred to as sporadic polyembryony. The underlying mechanisms are unknown.
Jenny van Dongen   +2 more
doaj   +1 more source

A person‐centered and genetically informed approach toward characterizing multidomain resilience to neighborhood disadvantage in youth

open access: yesJournal of Child Psychology and Psychiatry, Volume 67, Issue 6, Page 804-815, June 2026.
Background Examining resilience to adversity across multiple behavioral domains (e.g., psychological well‐being, social functioning) can better characterize positive development and inform novel prevention and intervention efforts. However, few studies have employed person‐centered methods to examine individual profiles of resilience across multiple ...
Jessica L. Bezek   +5 more
wiley   +1 more source

Class - III malocclusion: Genetics or environment? A twins study

open access: yesJournal of Indian Society of Pedodontics and Preventive Dentistry, 2005
Etiology of class-III malocclusion is generally believed to be genetic. A wide range of environmental factors have been suggested as contributing factors for the development of class-III malocclusion.
Jena A, Duggal R, Mathur V, Parkash H
doaj  

The nature and nurture of primary and secondary callous–unemotional traits: evidence from two independent twin samples

open access: yesJournal of Child Psychology and Psychiatry, Volume 67, Issue 6, Page 988-997, June 2026.
Background Callous–unemotional (CU) traits identify youth with more severe and chronic trajectories of conduct problems. However, the etiology of CU traits may be heterogeneous, undermining the search for effective treatments. The level of co‐occurring anxiety has been used to identify “primary” (lower anxiety) versus “secondary” (higher anxiety ...
Rachel C. Tomlinson   +6 more
wiley   +1 more source

Are Wednesday's Children Full of Woe? Children's Differences in Personality Are Independent of Day of Birth

open access: yesJournal of Personality, Volume 94, Issue 3, Page 370-379, June 2026.
ABSTRACT Introduction Nursery rhymes, which are rich in literary devices, benefit children's language learning. Less is known about the influence that nursery rhymes' messages may have on children's development. We focused on “Monday's Child,” a popular nursery rhyme that alleges children's day of the week of birth forecasts their differences in ...
Emily Wood   +8 more
wiley   +1 more source

A synchronized unique presentation of inguinal hernia in infantile twins

open access: yesEgyptian Pediatric Association Gazette
Background Female structures such as the ovaries, fallopian tubes, ligaments, and uterus are rarely encountered inside a hernial sac. The prevalence of groin hernias containing parts of female genitalia remains unknown. Occurrence in monozygotic twins is
Srikanth Thiyagarajan   +2 more
doaj   +1 more source

Sleep and Maladaptive Personality Traits: A Twin Study

open access: yesJournal of Sleep Research, Volume 35, Issue 3, June 2026.
ABSTRACT Sleep is essential for human functioning, but little attention has been paid to the interplay between sleep and maladaptive personality traits. We examined genetic and environmental associations between sleep and four maladaptive domains (MDs)—Negative Affectivity, Detachment, Disinhibition, and Psychoticism—within the framework of the DSM‐5 ...
Ziyu Ren   +11 more
wiley   +1 more source

Geographic Tongue in Monozygotic Twins

open access: yesJOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH, 2014
This article discusses a case of 5-year-old girl monozygotic twins who were suffering from geographic tongue (GT), a benign inflammatory disorder of the tongue which is characterized by circinate, irregular erythematous lesions on the dorsum and lateral borders of the tongue caused by loss of filiform papillae of the tongue epithelium.
openaire   +3 more sources

Letter to the Editor: Gastrointestinal Pseudo‐Obstruction Is Not an Uncommon Phenotypic Manifestation of POLG1 Variants—Authors' Reply

open access: yes
European Journal of Neurology, Volume 33, Issue 6, June 2026.
Giuliana Capece   +5 more
wiley   +1 more source

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