Results 121 to 130 of about 315,161 (293)

Congenital infantile hypertrophic pyloric stenosis in preterm dizygotic twins infants diagnosed early: A case report. [PDF]

open access: yesInt J Surg Case Rep, 2023
Bienfait MM   +5 more
europepmc   +1 more source

Research Review: A review of the past decade of family and genomic studies on adolescent mental health

open access: yesJournal of Child Psychology and Psychiatry, Volume 66, Issue 6, Page 910-927, June 2025.
Background Mental health problems and traits capturing psychopathology are common and often begin during adolescence. Decades of twin studies indicate that genetic factors explain around 50% of individual differences in adolescent psychopathology.
Geneviève Morneau‐Vaillancourt   +3 more
wiley   +1 more source

Smoking Habits of Monozygotic and Dizygotic Twins [PDF]

open access: green, 1959
Leif Friberg   +3 more
openalex   +1 more source

Novel variants in growth differentiation factor 9 in mothers of dizygotic twins.

open access: yesJournal of Clinical Endocrinology and Metabolism, 2006
CONTEXT Genes from the ovarian bone morphogenetic signaling pathway (GDF9 and BMP15) are critical for normal human fertility. We previously identified a deletion mutation in GDF9 in sisters with spontaneous dizygotic (DZ) twins, but the prevalence of ...
J. S. Palmer   +9 more
semanticscholar   +1 more source

Earnings Mobility and Origin Dependence: What can twins say together with nonparametric econometrics? [PDF]

open access: yes
This study focuses on earnings immobility and its relation to the originin terms of both the social background and the initial position in the earnings distribution. Twin data is used to reveal the importance for the common background for immobility.
Nilsson, William
core   +1 more source

Is humn mating adventitious or the result of lawful choice? A twin study of mate selection. [PDF]

open access: yes, 1993
Inventory data on a large sample of middle-aged twins and their spouses confirmed that spousal pairs are consistently but weakly similar on traits of personality, interests, talents, and attitudes.
Lykken, D.T., Tellegen, A.
core  

Parental separation and children's genetic influences on education

open access: yesJournal of Marriage and Family, Volume 87, Issue 3, Page 1084-1105, June 2025.
Abstract Objective This study focuses on the extent to which parental divorce and separation during childhood affect children's chances to realize genetic influences on educational attainment. Background Whether the family context matters for genetic influences on children's educational attainment remains an open question.
Zachary Van Winkle, Tina Baier
wiley   +1 more source

Amniotic band syndrome (Case report)

open access: yesمجله دانشگاه علوم پزشکی گرگان, 2000
Amniotic band syndrome is a collection of congenital abnormalities caused by early amnion rupture. It occurs in approximately 1:1200 to 1:15000 live births.
E. Khoury (M.Sc)   +2 more
doaj  

Dizygotic twinning, birth weight and latitude

open access: yesAnnals of Human Biology, 1985
In Europe and the USA, both mean birth weight and age-standardized dizygotic twinning rates correlate positively and significantly with latitude. It seems possible that these two sorts of correlation have explanations in common via pituitary action.
openaire   +3 more sources

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