Family values in black and white.
Department of Biology, University of California, Riverside, California 92521, USA.
Marlene
M
Zuk
D000818:Animals; D000831:Animals, Newborn; D005260:Female; D006716:Homosexuality; D006801:Humans; D008297:Male; D008425:Maternal Behavior; D009014:Morals; D010332:Paternal Behavior; D012726:Sexual Behavior, Animal / Q000502:physiology*; D046429:Spheniscidae / Q000502:physiology*