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:0000775
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meiosis variant
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Variations in the specialized nuclear and cytoplasmic divisions of a single diploid cell, whose specific outcome is the formation of four haploid daughter cells compared to control. Meiosis occurs during the formation of gametes. |
WBPhenotype:0001882
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aneuploidy
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Any variation in the number of chromosomes in a cell compared to control. |
WBPhenotype:0001348
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chromosome morphology variant
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Variations in the form or composition of a structure in the cell nucleus which contains the genetic material encoded as DNA and surrounded by histone proteins and other regulatory elements compared to control. In C. elegans the normal cell contains 5 pairs of 'autosomes' and one or two X chromosomes (Wormatlas). |
WBPhenotype:0001868
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meiotic spindle defective
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Cells undergoing meiosis exhibit defects in the overall function or activity of the meiotic spindle. |