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. Author manuscript; available in PMC: 2009 Aug 10.
Published in final edited form as: Oncogene. 2008 Jul 28;27(51):6561–6570. doi: 10.1038/onc.2008.253

Table 2.

Mutation of E2f3b does not cause a significant reduction in viability

Background E2f3b-/- observed χ2 test p value
E2f3b Mix (C57BL/6 × 129Sv) 27% (47/176) 0.248
E2f3b Pure (129Sv) 33% (28/85) 0.256

E2f3b+/- mice on the indicated backgrounds were crossed and the pups genotyped at three weeks of age. The observed frequency of mutant animals was not significantly different from the expected frequency as judged by a χ2 test.