题目

—Does anybody know ________？ —It's Uncle Lee's. A．where is the bike  B．where the bike is C．whose bike is it  D．whose bike it is 答案：D下列说法正确的是A．杂合子一般表现出显性性状B．D和D，D和d，d和d都是等位基因C．隐性性状是指生物体不能表现出来的性状D．表现型相同的生物，基因型一定相同