Exon 1-6 of Ighm and exon 1-5 of Ighd gene was deleted to generate Ighm and Ighd knockout mice. Homozygous mutant mice lack mature B cells. It may be useful as a model for B cell immunodeficiency found in humans. (J:238766)
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cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count