has_part inheres in part of qualifier abnormal meiosis abnormal meiotic chromosome segregation abnormal homologous chromosome segregation chromosome missegregation during meiosis I FYPO:0004159 midori abnormal chromosome disjunction at meiosis I 2014-12-09T14:12:55Z A cellular process phenotype in which homologous chromosome segregation is abnormal. Homologous chromosome segregation is the process in which replicated homologous chromosomes are organized and then physically separated and apportioned to two sets during the first division of the meiotic cell cycle. homologous chromosome missegregation abnormal homologous chromosome disjunction meiotic chromosome missegregation abnormal chromosome segregation during meiosis I