mí màn
gē da
wú biān wú yá
dūn
____
豌豆种群中,既可能发生显性突变(dd→Dd)也可能发生隐性突变(DD→Dd)。若这些突变均发生在亲代产生配子时,则这两种突变表现的特点是:( )
— I remember _______ you somewhere.
— Yes. We met in Beijing last year.