致死突变是指导致成年前死亡的突变。显性致死突变导致杂合型及纯合型个体的死亡
8、致死突变(lethal mutation): 指能造成个体死亡或生活力明显下降的突变。即影响生物体的生活力,导致个体死亡的一类突变。
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条件致死突变 Conditional lethal mutations ; conditional lethal mutation ; conditional lethal
条件致死突变型 conditional lethal mutant
条件致死突变体 conditional lethal mutant
致死突变型 lethal mutant
隐性致死突变 recessive lethal mutation
半致死突变 [遗] semilethal mutation
致死突变株 Temperature-sensitive conditional lethalmutant
细胞致死突变型 cell lethal mutant
半致死突变体 semilethalmutant
水稻苯达松敏感致死突变体在杂交水稻生产中具有广阔的应用前景。
A mutation conferring lethal bentazon susceptibility has good potential prospects in hybrid rice breeding.
科学家得出结论：发生突变是为了保护雄蟋蟀免受一种致死性寄生蚊虫的侵袭，蚊虫利用蟋蟀的叫声定居，并将其作为宿主。
The mutation occurred, the researchers conclude, to protect male crickets from a deadly parasitic fly (Ormia ochracea) that uses the cricket song to locate crickets as hosts.
上述突变体大多为致死性突变，推测其可能与致死性基因突变有关。
Most of the mutants mentioned above were lethal mutations, which may be associated with lethal genes.
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