Results 31 to 40 of about 30,111 (184)
HLA Haplotypes in Dizygotic Twin Pairs: Are Dizygotic Twins More Similar Than Sibs? [PDF]
Twin Research, 2002 AbstractIt has been suggested that dizygotic twin pairs share two HLA haplotypes more often than ordinary siblings and thus might be genetically more alike. We tested this hypothesis in dizygotic twin pairs from the Danish Twin Registry. A total of 114 (60 female and 54 male) same-sexed healthy twin pairs aged 18–45 years participated.
Titlestad, Ingrid Louise +3 more
openaire +4 more sources
Research with twins: The concept of emergenesis. [PDF]
, 1982 Preliminaty findings from an on-going study of monozygotic twins reared apart (MZA) and data from a larger sample of twins reared together (MZT and DZT), indicate a surprisingly strong influence of genetic variation on aptitudes, psychophysiological ...
Lykken, David T.
core +1 more source
Indian Journal of Endocrinology and Metabolism, 2014 Twins are two independent babies delivered during the same pregnancy and are divided as monozygotic or dizygotic based on their origin. Dizygotic twins are similar to two siblings and have different genetic information.
K. V. S. Hari Kumar, K D Modi
doaj +1 more source
Simultaneous cloacogenic carcinoma in dizygotic twins [PDF]
Cancer, 1987 Dizygotic twins developed cloacogenic carcinoma of the anus almost simultaneously. The patients, although separated from the time they were 20-years-old, had very similar life styles. There are several reports in the medical literature of synchronous tumors in mono and dizygotic twins.
Henry J. Goolsby +4 more
openaire +3 more sources
Heritability of testosterone levels in 12-year-old twins and its relation to pubertal development [PDF]
, 2005 The aim of this study was to estimate the heritability of variation in testosterone levels in 12-year-old children, and to explore the overlap in genetic and environmental influences on circulating testosterone levels and androgen dependent pubertal ...
Archer J. +8 more
core +5 more sources
Isolated imperforate anus in dizygotic twins
Journal of Pediatric Surgery Case Reports, 2023 The authors report an isolated imperforate anus case in a dizygotic twin, which is the first reported case in the literature, the other reported cases were in monozygotic twins.
Dania Alameh +4 more
doaj
Genetic and environmental covariation between autistic traits and behavioral problems [PDF]
, 2007 Objective: To examine the overlap between autistic traits and other behavioral problems in a general population sample, and explore the extent to which this overlap is due to genetic or environmental factors.
Bartels, Meike +4 more
core +1 more source
Neonatal Abstinence Syndrome: Twins Case Series
Frontiers in Pediatrics, 2017 BackgroundUse or abuse of opioids and related drugs during pregnancy increases the risk of maternal and neonatal morbidities, including increased susceptibility to Neonatal Abstinence Syndrome (NAS).
Rajesh Pandey +2 more
doaj +1 more source
Economics of Twin Pregnancies in Dairy Cattle
Animals, 2021 Twinning in Holstein dairy cows has increased over time concurrent with increased milk production. Twinning in dairy cattle is not desirable due to the negative effects on both cows that calve twins and calves born as twins that result in economic losses
Victor E. Cabrera, Paul M. Fricke
doaj +1 more source
Dementia risk in women higher in same‐sex than opposite‐sex twins
Alzheimer’s & Dementia: Diagnosis, Assessment & Disease Monitoring, 2020 Introduction Hormones may be one possible mechanism underlying sex differences in dementia incidence. We examined whether presumed differential prenatal hormone milieu is related to dementia risk by comparing dementia rates in same‐ and opposite‐sex ...
Jing Luo +5 more
doaj +1 more source