More than 60,000 people have purchased the PTKs since they first become available without prescriptions last years, according to Doug Fog, chief operating officer of Identigene, which makes the over-the-counter kits.

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　　①More than 60,000 people have purchased the PTKs since they first become available without prescriptions last years, according to Doug Fog, chief operating officer of Identigene, which makes the over-the-counter kits.

　　②More than two dozen companies sell DNA tests directly to the public, ranging in price from a few hundred dollars to more than $2,500.

　　参考译文

　　①Doug Fogg 透露：自从去年这种 PTK 鉴定套装不再需要处方了之后，已经超过 6 万人购买。

　　②他是生产这种PTK 套装的基因识别公司的首席运营官。有超过 24 家公司向大众直销 DNA 测试产品，这些产品价格从几十元到超过 2500 美元不等。