Ramidus shares with bonobos reduced sexual dimorphism .
A more paedomorphic form relative to chimpanzees , suggests that the developmental and social adaptations evident in bonobos may be of assistance in future reconstructions of early hominin social and sexual psychology .
ramidus shares with bonobos reduced sexual dimorphism , and a more paedomorphic form relative to chimpanzees , suggests that the developmental and social adaptations evident in bonobos may be of assistance in future reconstructions of early hominin social and sexual psychology .