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:0000031
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slow growth
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Any variation that causes a reduction in growth rate compared to control. |
WBPhenotype:0000032
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sick
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Animals exhibit some combination of abnormal features relating to size, movement, body integrity, pigmentation, viability, fertility etc. |
WBPhenotype:0000059
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larval arrest
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The developmental program of the animals halts at any larval stage and thus fails to reach adulthood. In C.elegans, this occurs anytime during L1-L4 stage. |
WBPhenotype:0001037
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sterile progeny
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Any variation that compromises the reproductive ability of the progeny of an animal. |
WBPhenotype:0001106
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spindle orientation variant AB or P1 early emb
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The orientation of the spindle is aberrant in either the AB or the P1 cell. |
WBPhenotype:0001155
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pronuclei meet centrally early emb
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The maternal and paternal pronuclei meet more centrally instead of meeting in the posterior end of the embryo. |
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:0001130
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cytokinesis fails early emb
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Cells of the embryo attempt to divide but fail to form two daughter cells. |
WBPhenotype:0001083
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multiple cytoplasmic cavities early emb
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Multiple vesicles, vacuoles, or cavities are seen during early embryogenesis. |
WBPhenotype:0001150
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polar body reabsorbed one two early emb
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A polar body is reabsorbed in either the one cell- or the two-cell embryo. |
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. |
WBPhenotype:0001113
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P1 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 in the P1 cell. |