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. 2011 Nov;31(21):4366–4378. doi: 10.1128/MCB.05701-11

Table 2.

Genotyping analysis of offspring from 15-1+/Flox 15-2+/− intercross of heterozygous mutant mice

Time No. of offspring
No. of offspring with abnormalitya
WT (+/+ +/+) 15-2 heterozygous (+/Flox +/−) 15-2KO (Flox/Flox −/−)
E10.5 6 7 9 4
E12.5 10 12 4 7
E15.5 9 24 8 8
E16.5 4 15 6 7
E18.5 36 60 10 28
P0
    Alive 10 29 2
    Dead 1 2 3
Weaningb 153 290 0
a

“Abnormality” indicates offspring whose genomic DNA could not be extracted.

b

Time of weaning, 1 to ∼5 weeks of age.