Abstract:
:A case of partial trisomy 9 is described in a mentally retarded and dysmorphic child, confirming that this chromosome unbalance results in a characteristic clinical entity. This trisomy arose through aberrant segregation of translocation chromosome during meiosis in the patient's mother, who is a balanced heterozygote for a complex translocation involving chromosomes 9, 21 and 22. The phenotypically normal sister of the proposition is also carrier of the same complex translocation.
journal_name
Hum Genetjournal_title
Human geneticsauthors
Dallapiccola B,Bollea G,Mazzilli C,Gandini Edoi
10.1007/BF00447289subject
Has Abstractpub_date
1976-07-07 00:00:00pages
73-6issue
1eissn
0340-6717issn
1432-1203journal_volume
33pub_type
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