mortality/aging
• mutant embryos are not seen after E10.0, and some appear to be undergoing resorbtion as early as E8.5
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cellular
• by E8.5, mutant embryos show considerable apoptotic cell death in the embryo proper
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embryo
• by E8.5, mutant embryos show considerable apoptotic cell death in the embryo proper
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• by E8.5
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• abnormalities are seen in mutant embryos beginning at E7.5, when apoptotic cells are detectable in the embryo proper
• by E8.5, mutant embryos show growth arrest and considerable apoptotic cell death in the embryo proper
• by E9.5-E10, 50% of the mutant embryos are undergoing resorbtion, with the remainder showing severe abnormalites
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