This allele is a derivative of Gcktm1Mgn in which the loxP flanked neomycin selection cassette was removed in ES cells by transient Cre expression prior to the production of chimeric mice. (J:51826)
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count