lethal gene

• Gène dont l'expression entraîne la mort de l'organisme qui le porte, généralement à un stade embryonnaire ou précoce du développement.

A gene whose expression results in the death of the organism carrying it, typically during embryonic or early developmental stages.

1. Fatal genetic factorC1formal

   A gene that, when expressed, causes the death of the organism carrying it, often during embryonic or early developmental stages.

   gène létal

   • The lethal gene in mice causes death shortly after birth.
   • Researchers identified a lethal gene responsible for early embryo failure.
   • In some plants, a lethal gene prevents seed germination.