Negative selection
From Wikipedia, the free encyclopedia
Negative selection may refer to:
- In biology:
- Negative selection (natural selection), in natural selection it refers to the selective removal of rare alleles that are deleterious.
- Negative selection (artificial selection), in artificial selection it refers to where negative, rather than positive, traits of a species are selected for.
- In politics:
- Negative selection (politics), is a process that occurs in rigid hierarchies, most notably dictatorships.
- In immunology:
- Negative selection (immunology) T-cells that recognize self MHC molecules (and peptides) with high affinity are deleted from the repertoire of cells. Central_tolerance is produced. Avoids auto-immunity. Occurs after positive selection.
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