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:0001030
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pronuclear envelope defective early emb
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Any deficiency in the lipid bilayer, the equivalent of the nuclear envelope, that surrounds each pronucleus within gametes and within the early zygote after pronuclear reformation (Wormatlas). |
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). |