complete but unequal mitotic sister chromatid segregation complete but unequal mitotic sister chromatid segregation with unseparated chromosomes FYPO:0005739 midori 2016-11-02T14:24:44Z A cellular process phenotype in which mitotic sister chromatid segregation results in the division of chromosomes into two distinct unequal masses containing unseparated sister chromatids, located at or near the ends of an elongated mitotic spindle.