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Ir gene

[ ahy-ahr ]
/ ˈaɪˈɑr /
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noun Immunology.
a gene controlling the magnitude of the immune response to a particular antigen.
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Origin of Ir gene

1970–75; i(mmune)r(esponse)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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