이 름 전자우편 홈페이지 제목 비밀번호 (최소 4자이상의 영문 또는 숫자)삭제시필요 auto accepta님의 글입니다. :It is not impossible that the long skull was a male trait as any other male trait (heavier jaw, longer nose etc).In that era populations were largely static, so that spontaneous variations could be easily passed on to a small gene pool and become a common characteristic. But once a wider genetic pool was introduced a local anomaly would be absorbed and largely disappear.