Fitness and the risk of illness and “spectrum disorder” in offspring, parents, and siblings Kenneth S. Kendler OriginalPaper Pages: 417 - 431
A remark on the generalized effects of assortative mating A. Gimelfarb OriginalPaper Pages: 433 - 438
A comment on the evidence for learning in diptera Mark HollidayJerry Hirsch OriginalPaper Pages: 439 - 447
Measuring learning in individual flies is not necessary to study the effects of single-gene mutations inDrosophila: A reply to Holliday and Hirsch Tim Tully Letter Pages: 449 - 455
Further evidence for learning in diptera: A reply to Holliday and Hirsch Terry R. McGuire OriginalPaper Pages: 457 - 473
Genetic and environmental contributions to the covariation between the Wechsler Adult Intelligence Scale (WAIS) subtests: A study of twins Kristian TambsJon M. SundetPer Magnus OriginalPaper Pages: 475 - 491
Heterosis of adult mouse (Mus musculus) ultrasonic vocalizing John C. MaggioGlayde Whitney OriginalPaper Pages: 493 - 506