https://en.wikipedia.org/wiki/Negative_selection_(natural_selection)
Negative selection (natural selection) - Wikipedia
negative selectionnaturalwikipedia
https://elifesciences.org/articles/59629
Use of signals of positive and negative selection to distinguish cancer genes and passenger genes |...
In contrast with earlier conclusions, negative selection has a major role in cancer evolution.
positive and negative
https://www.thermofisher.com/antibody/primary/panther/B%20cell%20negative%20selection
B cell negative selection Antibodies | Invitrogen
Antibodies for proteins involved in B cell negative selection pathways, according to their Panther/Gene Ontology Classification
b cellnegative selectionantibodiesinvitrogen