In general 70% of sSMC carriers are clinically normal. The figures listed above
are based on the bias, that mainly clinically aberrant cases are studied and reported in literature!

UPD (uniparental disomy) cases:

UPD(Y)mat

UPD(Y)pat

UPD(Y)mat or pat

the probably non-dosage sensitive pericentric region of Y-chromosome
schematic cytogenetic depiction	short (= p-) arm het long (= q-) arm p11.3 p11.2 cen q11.2 no clinical signs clinical signs
schematic molecular- cytogenetic depiction	Data is converted between genome versions by UCSC browser! Note the changes defined there for centromere-sizes; due to that and due to 'new insertions and deletions', positions are not always seeming logical comparing different versions listed  genomic version critical region p-arm uncritical region p-arm centromere uncritical region q-arm critical region q-arm NCBI 36/ hg18 unknown unknown 11.30 - 12.50 unknown unknown GRCh 37/ hg19 unknown unknown 11.60 - 13.40 unknown unknown GRCh 38/ hg38 unknown unknown 10.30 - 12.40 unknown unknown   Positions given in megabasepair (Mbp) acc. to cases marked as ***