【简答题】豌豆中,高茎 (T) 对矮茎( t )为显性,黄子叶 (Y) 对绿子叶( y )为显性,假设这两个位点的遗传符合自由组合规律,若把真实遗传的高茎黄子叶个体与矮茎绿子叶个体进行杂交, F2 中矮茎黄子叶的概率为 。
【单选题】He ____ think they ____ win the match. [ ]
【单选题】There isn’t going to be a volleyball match next week, __________?
【简答题】豌豆的高茎 (T) 对矮茎( t )为显性,黄子叶 (Y) 对绿子叶( y )为显性,假设这两个位点的遗传符合自由组合规律,若把真实遗传的高茎黄子叶个体与矮茎绿子叶个体进行杂交, F2 中矮茎黄子叶的概率为 。
【单选题】The characteristic of longitudinal framing hull structure is______.
A.
Longitudinal members: small size and small spacing; transverse members: large size and large spacing.
B.
Longitudinal members: large size and large spacing; transverse members: small size and large spacing.
C.
Longitudinal members: small size and large spacing; transverse members: large size and small spacing.
D.
Longitudinal members: small size and large spacing; transverse members: small size and small spacing.
【单选题】豌豆高茎(T)对矮茎(t)为显性,黄子叶(Y)对绿子叶(y)为显性,假设这两个位点的遗传符合自由组合定律,若把真实遗传的高茎黄子叶与矮茎绿子叶个体杂交,F2代中矮茎黄子叶的概率为( )。
【单选题】豌豆中,高茎T对矮茎t为显性,黄子叶Y对绿子叶y为显性,假定这两个位点的遗传符合孟德尔第二定律,若把真实遗传的高茎黄子叶个体与矮茎绿子叶个体进行杂交,F2代中矮茎黄子叶的概率是
【单选题】— _______ do you think of the football match? — It's perfect. It's more exciting than _______ match that I have ever watched.