A cytogenetic survey of 14,835 consecutive liveborns
β Scribed by Tohru Maeda; Michiko Ohno; Akira Matsunobu; Kyoko Yoshihara; Noriko Yabe
- Publisher
- Nature Publishing Group
- Year
- 1991
- Tongue
- English
- Weight
- 766 KB
- Volume
- 36
- Category
- Article
- ISSN
- 1435-232X
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π SIMILAR VOLUMES
A cytogenetic survey of all 588 patients in Strathmont Training Centre, an Australian hospital for the mentally retarded, was carried out. Abnormal karyotypes were found in 90 (15.3%) patients, of whom 73 (12.4%) had clinical Down syndrome, 12 (2.04%) other autosomal abnormalities, and 5 (0.85%) sex
Heteromorphisms of chromosomes 3, 4, 13-15, 21-22, and Y were studied in a population of 374 mentally retarded patients from diverse ethnic groups. A significant variation in the size of the Y chromosome was found among different racial groups, those of the Orientals and Filipinos being larger than
Heteromorphisms of chromosomes 1, 9, and 16 were studied by C-banding in a population of 403 mentally retarded individuals from diverse ethnic groups. A significant difference in the distribution of heteromorphisms was found among the different racial groups. The Orientals had a larger C-band on chr