皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【简答题】
某种野生植物有和白花两种表现型,已知形成的生物化学途径是: 已知A和a、B和b是分别位对染色体上的等位基因,A对a、B对b为显性。基因型不同的两白花植株杂交,F 1 :白花=1:1。若将F 1 植株自交,所得F 2 植株中:白花=9:7。请回答: 形成的生物化学途径中,若中间产物是红色(形成红花),那么基因型为AaBb的植株自交,子一代植株的表现型及比例为()。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】Which routing protocol is more suitable for your family network?
A.
RIP
B.
OSPF
C.
BGP
D.
IS-IS
【多选题】律师接受委托后,无正当理由的,不得拒绝辩护或者代理,但______,律师有权拒绝辩护或者代理。
A.
委托事项违法
B.
委托人利用律师提供的服务从事违法活动
C.
委托人拖延支付有关费用
D.
委托人隐瞒事实的
【简答题】唐律师有权拒绝辩护吗?他应该怎么办?
【简答题】Students are supposed to write down a piece of narration by using the following verbs, the story vivid and also meaningful. Please hand in your writing in time . Notice: Please underline the ke...
【简答题】王律师有权拒绝辩护吗
【简答题】Passage Two (1)Someday soon, you will ask a robot to fetch a slice of pizza from your refrigerator. On that day, you'll trust that the robot won't tear through your walls and rip the fridge door off i...
【单选题】小王想清除CMOS的密码,以下操作对的是
A.
对CMOS进行放电操作
B.
拔掉计算机的电源
C.
接通计算机的电源
D.
重启计算机
【单选题】You type debug ip rip on your router console and see that 172.16.10.0 is being advertised to you with a metric of 16. What does this mean?
A.
The route is 16 hops away.
B.
The route has a delay of 16 microseconds.
C.
The route is inaccessible.
D.
The route is queued at 16 messages a second.
【单选题】华中 HNC-21T 铣削数控系统允许最大的联动轴数为( )轴。
A.
4
B.
5
C.
6
D.
7
【单选题】According to the passage, which statement about "rip current" is not correct?
A.
It was notorious in Mediterranean Sea.
B.
It was forcibly dragging the author out to the sea.
C.
Swim sideways to the pull of the current and slowly make your way back toward shore.
D.
Swim against the rip current if you want to be saved.
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题