Sent_en: 2zh The authors of the paper conclude that their evidence shows that matrilineal history of brown and polar bears suggest that "a likely genetic exchange with extinct Irish brown bears forms the origin of the modern polar bear matriline."
Sent_yy: 这篇论文的作者总结说，他们的证据表明，棕熊和北极熊的母系历史表明，“与灭绝的爱尔兰棕熊可能的基因交换形成了现代北极熊母系的起源。”