【单选题】在果蝇测交实验中,如果重组型个体占测交后代总数的16%,则( )。
A.
雌果蝇初级卵母细胞减数分裂时,有 32% 发生连锁基因间的染色单体发生互换
B.
雌果蝇初级卵母细胞减数分裂时,有 16% 的染色单体未发生互换
C.
雄果蝇初级精母细胞减数分裂时,有 16% 的染色单体发生互换
D.
雄果蝇初级精母细胞在减数分裂时,有 32% 发生连锁基因间的染色单体发生互换
【简答题】设有以下定义: struct ss { int info; struct ss *link; }x,y,z; 且已建立如下图所示链表结构, 请写出删除点y的赋值语句【 】。
【简答题】I’ve always had strong opinions of how love should be expressed, but others had their own ways of showing care. What I most about visiting my boyfriend’s parents is the loud tick of the clock in the d...
【简答题】Jerry was always in a good mood and always had something positive to say. One day, I went up to Jerry and asked him, “You can’t be a positive person all of the time. How do you do it?” Jerry replied, ...
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【单选题】My grandfather had always taken a __________ interest in nay work, and I had an equal admiration for the stories of his time.
【单选题】My grandfather had always taken a ________ interest in my work, and I had an equal admiration for the stories of his time.
【简答题】I’ve always had strong opinions of how love should be expressed,but others had their own ways of showing care. What I ___ most about visiting my boyfriend’s parents is the loud tick of the clock in th...