一道生物题,关于遗传的,高中.5、、如图为甲、乙家族为同种遗传病的系谱图,若6号与9号婚配,生一个正常男孩的几率是( )A.4/9\x05 B.5/12C.1/12\x05 D.3/8
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/16 16:10:25
xVkSW+3hd-8Ht67v)\IJ$@ *%㞳'BsNĩ~ꇚ!l{9/y˪ڣsvan.H$2sѢX&^uާFG*cΪva"9Y9Q,k>nA^jMU2{hsd{έZ}FupHP##P;md\6i#x wO/`/"Or1uE1FFkG_q<_|0ySwߓWwTvG'h ,E
U
Z0y_hx0xЯƼj ⊢E%էj$?`X.'&5"JƃF"
%Dv*;=?+pO!2[Rd~Kyt(p#hp{fedwm!o%>ҎU_U$MYecDυCfMvzӪ^yXLռ$dYhʐOtmݷs_F5f:YruCҐ)7IJ{~JOk";z^Yj r:_ E2Z&@j *"ɰ;͒(M_[u_qt!g/6PIS9(;EPb:-«kF
hs\إ74WfBV 2'ݰOB^aJrerҴ!JsA] LPHۤ'-vjziBOɷJVe&[Z фrËz R:ـybI(3]F&0MW6Hi2hG1FWx~>y$iN>z>5沎s~
e=.ZH6EqbBOSg:hUi1m:;s`
qYhq{9h>k5t֣˳MQGD زsXf"
#/Z6nt\abpVshm+j`H;b:VJE6#2 y~ _X=(neno'R*_JeOAB^@{l)Υ5]]?|?%186 :Z?bWrÈ@ #3BBTt#W-^#tM(~A
TggA ?T>HQ"JV&H%-:#E\k:]xYCx}~futE
s]&֍͞;q.L&Q