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发表于 2009-7-19 16:00:11
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本帖最后由 towo 于 2009-7-19 16:02 编辑 ; ?1 ^* q' @7 Q# _4 }
可以向后的是显形遗传~~~9 y2 t, ~# c" e I& {. {# N
父母其中一个可以后翻,子一代就可以后翻~~~
8 O3 E& x: X2 e; |; p3 ^- _8 M2 Ewangfangyun 发表于 2009-7-19 15:53 * ?5 l% E! d/ N
Really?
6 {4 z+ b6 J6 V2 P. o" g' C' U, qMy brother can do that
$ B1 V0 q- v% F5 I% a, j- Kbut I can't
: L- s: {7 v7 j$ A8 o& k) sIt shows that we are not sibling?
; v& x; N( u+ u(My english is very poor) |
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