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2002年高考理科综合题第22题: 试题 科学家应用生物技术培育了一种抗虫棉,它能产生毒素,杀死害虫,目前正在大面积推广种植。科学家还研究了害虫的遗传基础,发现不抗毒素对抗毒素为显性(此处分别用B、b表示),据此回答:
In the 2002 College Entrance Exam Science Comprehensive Question 22: Exam Questions Scientists applied biotechnology to develop an insect-resistant cotton that can produce toxins and kill pests and is currently being cultivated in large areas. The scientists also studied the genetic basis of pests and found that non-antitoxins are dominant against toxins (here represented by B and b, respectively), and they answer: