Incest remains one of society 's last taboos and is an unthinkable concept to most people .
近亲通婚是现代社会的最后禁忌之一，大部分人还是无法接受这种观念。
In chimpanzee societies , males stay where they are born and females disperse at puberty to neighboring groups , thus avoiding incest .
在黑猩猩社会，雄性呆在它们出生的地方，雌性则在青春期就被驱逐到相邻的群落，以避免近亲繁殖。
We know that females avoid mating with their brothers and sons , but now we 'll be able to learn whether an incest taboo exists between fathers and daughters as well .
