double heterozygote

例句：

1. 1. The scientists discovered a new species of double heterozygote.
   科学家们发现了一种新的双倍杂合子物种。
2. 2.The geneticists are studying the double heterozygote population in the desert.
   遗传学家正在研究沙漠中的双倍杂合子种群。
3. 3. The researchers found that the double heterozygote had a higher survival rate than the other two types.
   研究人员发现，双倍杂合子的生存率比其他两种类型更高。