A Family History Study of Male Sexual Orientation Using Three Independent Samples J. Michael BaileyRichard C. PillardRobert L. Murphy OriginalPaper Pages: 79 - 86
Effects of Chorion Type on Neonatal Temperament Differences in Monozygotic Twin Pairs Marilyn L. Riese OriginalPaper Pages: 87 - 94
Genetic Influences on Human Conditionability: A Twin Study of the Conditioned Eyeblink Response Kari A. MerrillJoseph E. SteinmetzRichard J. Rose OriginalPaper Pages: 95 - 102
Left-Handedness as a Function of Sex, Maternal Versus Paternal Inheritance, and Report Bias Marian Annett OriginalPaper Pages: 103 - 114
Diagnosis of Zygosity by Questionnaire and Polymarker Polymerase Chain Reaction in Young Twins Wei J. ChenHuai-Wen ChangWei-Tsuen Soong OriginalPaper Pages: 115 - 123
Audiogenic Seizure Sensitivity in Mouse Lines Genetically Selected for High Versus Low Blood Magnesium Levels Roland MottaJean-Paul Louis OriginalPaper Pages: 125 - 130
Genetic Correlation Between Steroid Sulfatase Concentration and Initiation of Attack Behavior in Mice Isabelle Le RoyStephane MortaudPierre L. Roubertoux OriginalPaper Pages: 131 - 136
Plasma ACTH Levels During Early, Two-Way Avoidance Acquisition in High- and Low-Avoidance Rats (Hatano Strains) Ryo OhtaMariko ShirotaKazuyoshi Taya OriginalPaper Pages: 137 - 144