Medea

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A gene first identified in Tribolium castaneum, the flour beetle. It is composed of an mRNA toxin and an antidote. A female carrying Medea expresses the toxin in her germline, which, like Medea of Greek mythology, kills her progeny. If the progeny carry Medea, they also carry the antitoxin and survive

Medea,

from Greek mythology: Medea killed the children fathered by Jason after he left her for a younger woman.
Medea complex - a mother's compulsion to kill her children as revenge against their father.
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