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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 1.

Mutation of E2f3a does not cause a significant reduction in viability

Background E2f3a-/- observed χ2 test p value
E2f3a Mix (C57BL/6 × 129Sv) 24% (23/94) 0.534
E2f3a Pure (129Sv) 23% (60/257) 0.615

E2f3a+/- mice on the indicated backgrounds were crossed and the pups genotyped at three weeks of age. The indicated frequency of mutant animals was not significantly different from the expected frequency as judged by a χ2 test.