WBPhenotype:0000050
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embryonic lethal
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Animals die during embryonic development. In C. elegans, often assayed as refractile eggs that fail to hatch; when applied to large-scale RNAi screens in C. elegans, more than 10% of embryos die. |
WBPhenotype:0001177
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embryo osmotic pressure sensitive early emb
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Embryos rupture when placed on a 2% agar pad and covered with a coverslip. |
WBPhenotype:0000040
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one cell arrest early emb
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Embryos fail to divide and arrest as one-cell embryos. |
WBPhenotype:0001119
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cell cycle slow early emb
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Embryos take longer to divide during the first and second cell divisions. |
WBPhenotype:0001143
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multiple nuclei early emb
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Embryos contain more than one nucleus per cell in the inviable one- to four-cell embryo. |
WBPhenotype:0000689
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maternal sterile
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Animals produce no or very few embryos as a result of experimental treatment. This is in contrast to sterility due to genetic perturbations (maternal effect sterility). |