mortality/aging
• no homozygotes at birth
• live embryos found only up to E11.5
• all embryos are undergoing resorption at E12.5
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embryo
• arrested at 18 somite stage but were developing normally at 6-7 somite stage (E8.5)
• embryo turning at E9.5 is normal
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• embryos are smaller than controls from E9.5 on
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• no placental labyrinth forms even in rare cases where a loose attachment of the allantois with chorion is seen
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• fusion usually fails to occur
• a loose attachment of the allantois with chorion is sometimes seen
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growth/size/body
• embryos are smaller than controls from E9.5 on
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