Behavior Genetics · 1991 · 413 citations · 9 references
Life SciencesGeneticsPsychologyDevelopmental PsychologyHuman GeneticsPsychometricsTwin StudiesDizygotic TwinsGenetic Correlation In Twin StudiesMonozygotic TwinsTwin DesignsTwin Study HeritabilityTwin Zygosity Determination
9
The Diagnosis of Twin Zygosity
Ralph C. Nichols, Jr. Bilbro W.C. · Human Heredity · 1966 · 648 citations
STUDIES ON SIMILARITY DIAGNOSIS IN TWINS WITH THE AID OF MAILED QUESTIONNAIRES
R. Cederlöf, Leif Friberg, Erik G. Jönsson et al. · Human Heredity · 1961 · 310 citations
Life Sciences, Genetics, Psychiatry +11
Predicting zygosity in Norwegian twin pairs born 1915-1960
Per Magnus, K. Berg, W. E. Nance · Clinical Genetics · 2008 · 252 citations
Reliably Separating Identical From Fraternal Twins
Donald J. Cohen · Archives of General Psychiatry · 1975 · 204 citations
Life Sciences, Genetics, Psychology +14
Environmental bias in twin studies
Sandra Scarr · Eugenics Quarterly · 1968 · 187 citations
Life Sciences, Genetics, Psychology +11