mortality/aging
• normal looking blastocysts are present at lower than expected Mendelian ratios at E3.5 (7% versus 25%); no homozygous embryos are recovered at E7.5
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embryo
• blastocysts hatch from the zona pellucida but form outgrowth colonies with few trophectoderm cells after 3 days in culture
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cellular
• blastocysts hatch from the zona pellucida but form outgrowth colonies with few trophectoderm cells after 3 days in culture
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