1. Sickle-cell anaemia is passed on through a recessive gene.
镰状细胞贫血通过隐性基因遗传给后代。
《柯林斯英汉双解大词典》
2. This apparent anomaly is partially explained by the fact that most founder mutations are recessive: only a person with copies of the affected gene from both parents becomes ill.
29. The reports said blond hair was caused by a recessive gene, so both sides of the family have to have it to extend the shade into the next generation.
30. The reports said blond hair was caused by a recessive gene, so both sides of the family have to have it to extend the shade into the next generation.