PT - JOURNAL ARTICLE AU - L E DeBault AU - K A Halmi TI - Familial trisomy 7 mosaicism. AID - 10.1136/jmg.12.2.200 DP - 1975 Jun 01 TA - Journal of Medical Genetics PG - 200--203 VI - 12 IP - 2 4099 - http://jmg.bmj.com/content/12/2/200.short 4100 - http://jmg.bmj.com/content/12/2/200.full SO - J Med Genet1975 Jun 01; 12 AB - A trisomy 7 mosaicism (46, XX/47, XX+7) was identified by quinacrine mustard fluorescence studies in a psychiatric patient and in her daughter who also had mental illness. The aetiology of the trisomy 7 mosaicism in two generations of this family is postulated to involve an autosomal dominant gene as initially described by Zellweger and Abbo in 1965.