31. Ghiselin proposed three models for hermaphroditism in 1969 in his paper titled The evolution of hermaphroditism among animals . 32. However, hermaphroditism being characterised as functional needs to be validated by more reproduction studies ( Patzner 1998 ). 33. Thus, he suggests that female fecundity has more impact on sequential hermaphroditism than the age structures of the population. 34. The " BALB / cWt " is also unusual in that 3 % of progeny display true hermaphroditism . 35. If " biological bisexuality " is being used to refer to hermaphroditism , that's really confusing and unhelpful. 36. More rarely, some insects display hermaphroditism , in which a given individual has both male and female reproductive organs. 37. This fish is a protogynous hermaphrodite, undergoing a form of sequential hermaphroditism in which females change sex to male. 38. Foucault discovered Barbin's memoirs during his research about hermaphroditism for " The History of Sexuality ". 39. Our True hermaphroditism article suggests true hermaphroditism in humans normally refers to an individual who has both ovarian and testicular tissue. 40. Our True hermaphroditism article suggests true hermaphroditism in humans normally refers to an individual who has both ovarian and testicular tissue.
