TABLE 1.

Genotypes of live born progeny obtained by crossing heterozygous Fliih mutant mice

Targeted alleleaNo. of each genotype per alleleTotal no. of offspring
+/++/−−/−
1.4A1136 (3.3:1)b047
1.5F917 (1.9:1)026
2.1A1532 (2.1:1)047
    Total3585 (2.4:1)0120
  • a Lines are derived from targeted ES cell clones 1.4A, 1.5F, and 2.1A.

  • b Ratio of +/− to +/+ is given in parentheses in this column.