您要查找的是不是：
- allele monohybrid crosses 等位基因单杂种杂交
- The bridge crosses the river in a single span. 河上那座桥是单跨桥。
- It is rash to cross the street without looking both ways. 不朝两边看看就穿马路是莽撞的。
- Cross and angry words in family grate upon the ear. 不高兴与生气的话在一个家庭里令人不愉快。
- We all have our crosses, I suppose. 我想，我们都有各自的难题。
- If anyone crosses her, she gets very angry. 如果遭人反对,她会非常生气。
- A mule is a cross between a horse and an ass. 骡是马和驴交配而生的杂种。
- The Red Cross dealt out food to hungry soldiers. 红十字会把食物分发给饥饿的士兵。
- This cross marks the spot where she died. 这个十字符号标明她死去的地点。
- He made expiation for our sins on the cross. 他在十字架上为我们赎了罪。
- Mind out for the traffic when you cross the road. 过马路要注意来往车辆。
- monohybrid cross 单性杂种交配
- Now the variant of each gene is called an allele. 每一种基因的变化就叫做等位基因。
- Passengers mustn't cross the rails. 乘客不得横过铁路。
- You had better cross out the last name. 你最好把最后一个名字划掉。
- Don't be cross with the child for being late. 不要对迟到的孩子发脾气。
- On maps, a cross is the symbol for a church. 在地图上，十字符号代表教堂。
- The allele for blue eyes is recessive. 蓝色眼睛的等位基因是隐性的。
- Cross your heart; do you really? 你发誓，你是真的吗？
- An allele can not be "watered down" by outcrossing. 一个基因等位体不会由于与异体通婚而被稀释。
