A-A+
It can be concluded that the focus of patenti
问题详情
It can be concluded that the focus of "patenting BCRA genes" is whether these genes are
A．isolated
B．natural
C．medically valuable
D．cancer-causing请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
解析：本题考查事实概括。
考点：
