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:0000777
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polar body extrusion defective early emb
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Unextruded or resorbed polar body(ies) leading to an extra PNs in P0 and/or extra karyomeres in AB/P1. |
WBPhenotype:0001361
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chromosome condensation variant
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Any variation in the progressive compaction of dispersed interphase chromatin into threadlike chromosomes prior to mitotic or meiotic nuclear division, or during apoptosis, in eukaryotic cells compared to control. |
WBPhenotype:0001078
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cytokinesis defective early emb
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Cytokinesis is abnormal in the first or second stages of cell division. |
WBPhenotype:0001875
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anaphase bridging
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Chromosomal masses fail to fully separate and remained linked during anaphase. |
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:0001110
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aster defective early emb
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Early embryos exhibit defects in the array of microtubules emanating from a spindle pole that do not connect to kinetochores. |
WBPhenotype:0001147
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polar body defective early emb
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Polar bodies are abnormal in the inviable one- to four-cell embryo. |