Among the most popular: paternity and kinship testing , which adopted children can use to find their biological relatives and families can use to track down kids put up for adoption.
最受欢迎的 DNA 测试是父子和血缘关系检测,被收养的孩子可以用它找到自己的血缘亲属,家庭也可以用它追踪到被收养的孩子。
Researchers from the University of California have analyzed gene variation in around 2000 people, comparing pairs of unrelated friends with pairs of unrelated strangers.
By sending a saliva sample — and a fee, of course — anyone can receive a report containing information such as where their ancestors were from and who they are related to.