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【判断题】
目前常用的商品化STR扩增系统的扩增引物均是针对人类基因组DNA设计，非人类DNA大多无扩增产物或仅有极少数非正常扩增产物。
A.
正确
B.
错误
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Passage Two In 1997, devotees of home electronics eagerly awaited the DVD player, a new device that could play movies without videotape, and with greater clarity. It caught on even faste...
A.
die economic realities of its practicality
B.
robust economic growth
C.
economic problems of hi-tech companies
D.
ignorance of the technology