二年级递等式怎么写

His father said------if he got good marks,he could get a new computer 、用纯种豌豆做母本,研究两对相对性状的遗传规律.如果相关基因位于非同源染色体上,则预期F2中性状重组类型所占的比例为（ ） A．3/8 B．5/8 C．9/16或1/16 D．3/8或5/8 孟德尔的豌豆实验 a street lamp gutters 尤其是那个gutters 应该怎么翻译啊 基因型为ddEeFF和DdEeff的两种豌豆杂交,在3对等位基因各自独立遗传的条件下,其基因型为ddEeFF和DdEeff的两种豌豆杂交,在3对等位基因各自独立遗传的条件下,其子代个体表现型不同于两个亲本的 基因型分别为ddEeFF和DdEeff的两种豌豆杂交,在3对等位基因各自独立遗传的条件下,求其子代表现型不同...基因型分别为ddEeFF和DdEeff的两种豌豆杂交,在3对等位基因各自独立遗传的条件下,求其子 基因型分别为ddEeFF和DdEeff的2中、种豌豆杂交,在3对等位基因各自独立遗传的条件下,其子代表现型不同于2个亲本的个体数占全部子代的几分之几? 基因型分别为ddEeFF和DdEeff的两种豌豆杂交,在三对等位基因各自独立遗传的条件下,其子代表现型不同于两个亲本的个体数占全部子代的A、1/4B、3/8C、5/8D、3/4 求选词填空答案,The First International Olympic Games __81__ in Athens(雅典),Greece,in 1896．The countries that attended were the United States,Australia,France,Germany,Hungary(匈牙利)and some __82__．The Games began __83__ April 6 in a 孟德尔豌豆杂交实验的重要性 基因型为ddEeFF和DdEeff的2种豌豆杂交,在3对等位基因各自独立遗传的条件下,其子代表现型不同于2个亲本的个体数占全部子代的多少? 求英语选词填空答案先提前谢谢各位大侠了.utilize last require mostly remain escape traditional urgent ancestor enforce replace trick graduate recently expert 1.The work is ___________ done by hand,not by machine.2.Peter narrowly ____ 基因型分别为ddEeFF和DdEeff的两种豌豆杂交,在3对等位基因各自独立遗传的条件下,其子代表现型不同于两个亲本的个体数占全部子代的___?子代与ddEeFF表现型相同的占1/2*3/4*1=3/8 里面的相乘的 数 八上英语选词填空答案【a、feel、paint、great、on、work、cover、three、love、happy】 Miss Ben taught art at a primary school.The children in her（1）_____ grade classes did not like painting.It worried Miss Ben（2）_____.“I m he said he wanted to be a doctor when he grew up.为什么用grew? i___him to give up that foolish idea,but he said he wanted to have a tryA.persuadedB.didn't try to persuadeC.tried to persuadeD.didn't persuade为什么不能选A? 一篇英语选词填空, you c__ play with a fish ,can you? 英语短文填空.watch get take be meet go pick ride walk fish feed have eat show milkget play有多余 英文 the last tim 写信的格式是怎样的?好久不写信都忘了 写信的格式我忘了```帮帮我```是信封的`````````````````还是两个都说吧! 如图,（英语）选词填空（第二题）. 英语2.-You haven’t said a word about my new coat,Brenda.Do you like it?2.-You haven’t said a word about my new coat,Brenda.Do you like it?-I’m sorry I _____ anything about it sooner.I certainly think it’s pretty on you.a.wasn’t saying b.d --- You haven’t said a word about my new coat,Brenda.Do you like it?---I’m sorry I ______ anything about it sooner.I certainly think it’s pretty on you.A.wasn’t saying B.don’t say C.won’t say D.didn’t say whenever you are seeing a word you haven't known about it翻译全文,more talking with foreign people and more learning english whenever you are seeing a word you haven't known about it.这句话对吗?为什么word和you中间不加when 英语问题3.I hear the headmaster is going to london next week .为什么用hear.而不用hear of 或者hearfrom The children enjoyed themselves watching the animals .同义句The children ___ ___ watching the AMOUNT OF DRAWING MUST BE ENDORSED ON THE REVERSE OF CREDIT 上面的意思 交易金额都要在信用证背面作批那这个背书是谁来背书啊? 在I hearboth your father and your mother like watching TV"中,为什么不可以用"not only...but also"? 英语翻译Each drawing under this credit must be dendosed by the negotiation bank on the reverse of the original credit instrument (meant for the beneficiary) he only()sports on tv.watch havehe only()sports on tv.watch have watches has