abnormal male meiosis
abnormal X-Y chromosome synapsis during male meiosis
MP:0011751
MPheno.ontology
an anomaly in the process in which the side by side pairing and physical juxtaposition of X and Y chromosomes is created at the metaphase plate, usually resulting in incorrect sex chromosome disjunction
abnormal X-Y chromosome pairing during male meiosis
2012-10-26T03:21:28Z
csmith