title: An inherited small extra chromosome: a mother with 46,XX,t(17;22)(pl;ql) and a son with 47,XY,+der(22)mat.
mesh_terms: D000015:Abnormalities, Multiple / Q000235:genetics*; D000328:Adult; D001827:Body Height; D001835:Body Weight; D002675:Child, Preschool; D002869:Chromosome Aberrations / Q000235:genetics*; D025063:Chromosome Disorders; D002902:Chromosomes, Human, 16-18; D002904:Chromosomes, Human, 21-22 and Y; D003878:Dermatoglyphics; D005260:Female; D006801:Humans; D008607:Intellectual Disability; D007361:Intelligence Tests; D007621:Karyotyping; D008297:Male; D008423:Maternal Age; D010375:Pedigree; D013194:Staining and Labeling