Discordant HIV-1 infection in dizygotic twins: Case report and review of literature
International Journal of Medicine and Health Development, 2003 First-born twins are at a four-fold risk of acquiring HIV infection if delivered by caesarean section. A female second twin delivered by caesarean section presented at the age of 14 months with features of HIV/AIDS.
Ifeoma J Emodi
doaj
The Fertility Pattern of Twins and the General Population Compared: Evidence from Danish Cohorts 1945-64 [PDF]
Twin studies provide an important possibility for demographers to analyze patterns of heritability and to estimate structural models with controls for endowments. These possibilities are increasingly used in the context of fertility and related behaviors.
Axel Skytthe +3 more
core
Meeting One's Twin: Perceived Social Closeness and Familiarity
Evolutionary Psychology, 2003 Perceptions of social closeness and familiarity were assessed among 44 monozygotic (MZA) and 33 dizygotic (DZA) reunited twin pairs, and several individual twins and triplets.
Nancy L. Segal +2 more
doaj +1 more source
Cephalometric variability among siblings [PDF]
, 2019 OBJECTIVE: To determine whether multiple siblings in a family resemble one another in terms of their craniofacial characteristics. METHODS: This pilot study was conducted retrospectively using the Forsyth Twin sample.
Marcks, Katharine Luskin
core
Sickness Absence and the Effects of Having a Spouse - Can twins reveal the selection effect? [PDF]
Individuals that are married are often found to be healthier than singles. A crucial issue is to distinguish if this is due to a selection effect or due to a true protective effect of partnership. The purpose of this study is to distinguish these effects
Nilsson, william
core +1 more source
, 1997 Although Lykken & Tellegen (1996) have shown that the stable component of happiness or subjective well-being is strongly influenced by genetic factors, One needn't permit one's own or one's child's genetic steersman have his head.
Lykken, David T.
core
The Determinants of Leadership: The Role of Genetic, Personality, and Cognitive Factors [PDF]
A sample of 646 male twins (331 monozygotic or identical, 315 dizygotic or fraternal) completed a survey indicating their leadership role occupancy in work settings.
Maria Rotundo +3 more
core
Candidate gene expression in response to low-level air pollution
Environment International, 2020 Background: Epidemiological studies have linked air pollutant to adverse health effects even at low exposure levels, but limited evidence is available on its associations with gene expression levels.
Lina Madaniyazi +3 more
doaj
Influence of heritability on craniofacial soft tissue characteristics of monozygotic twins, dizygotic twins, and their siblings using Falconer's method and principal components analysis. [PDF]
Korean J Orthod, 2019 Song J +6 more
europepmc +1 more source