题目

Two of the hardest things to accomplish in this world are to acquire wealth by honest effort and, having gained it, to learn how to use it properly. Recently I walked into the locker room of a rather well-known golf club after finishing a round. It was in the late afternoon and most of the members had left for their homes. But a half-dozen or so men past middle age were still seated at tables talking aimlessly and drinking more than was good for them. These same men can be found there day after day, and, strangely enough, each one of these men had been a man of affairs and wealth, succ对下列各图所表示的生物学意义的描述,正确的是A. 甲图中生物自交后产生基因型为Aadd个体的概率为1/6B. 乙图细胞一定是处于有丝分裂后期,该生物正常体细胞的染色体数为8条C. 丙图家系中男性患者明显多于女性患者,该病最有可能是伴X隐性遗传病D. 丁图表示某果蝇染色体组成,其配子基因型有AXw、aXw、AY 、aY四种
英语 试题推荐