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The effects of parental age on some phenotype frequencies in Down's syndrome

✍ Scribed by A. T. Rundle; J. Atkin; B. Sudell

Publisher
Springer
Year
1974
Tongue
English
Weight
737 KB
Volume
23
Category
Article
ISSN
0340-6717

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πŸ“œ SIMILAR VOLUMES

On the influence of age on immunity in D
On the influence of age on immunity in Down's syndrome
✍ R. Seger; G. Buchinger; J. StrΓΆder πŸ“‚ Article πŸ“… 1977 πŸ› Springer 🌐 English βš– 651 KB

In 23 subjects of different ages with Down's syndrome a number of parameters of non-specific defense of humoral and cellular immunity were investigated. While in all age groups complement factors C3, C4 and C5 as well as phagocytosis and NBT indices were in the normal range, a dysgammaglobulinaemia

Reexamination of paternal age effect in
Reexamination of paternal age effect in Down's syndrome
✍ M. -P. Roth; J. Feingold; A. Baumgarten; P. Bigel; C. Stoll πŸ“‚ Article πŸ“… 1983 πŸ› Springer 🌐 English βš– 331 KB

The recent discovery that the extra chromosome in about 30% of cases of 47, trisomy 21 is of paternal origin has revived interest in the possibility of paternal age as a risk factor for a Down syndrome birth, independent of maternal age. Parental age distribution for 611 Down's syndrome 47, +21 case

Reexamination of paternal age effect in
Reexamination of paternal age effect in Down's syndrome
✍ Ei Matsunaga; Akira Tonomura; Hidetsune Oishi; Yasumoto Kikuchi πŸ“‚ Article πŸ“… 1978 πŸ› Springer 🌐 English βš– 559 KB

Paternal age distribution for 1279 cases of Down's syndrome born in 1952--1968 was compared with the corresponding distribution for the general population, corrected for the maternal age as well as for the year of birth of the patients. Although there was no difference in the mean paternal age, the

Parental origin of the extra chromosome
Parental origin of the extra chromosome in Down's syndrome
✍ R. E. Magenis; K. M. Overton; J. Chamberlin; T. Brady; E. Lovrien πŸ“‚ Article πŸ“… 1977 πŸ› Springer 🌐 English βš– 545 KB

Chromosome 21 fluorescent heteromorphisms were studied in 42 patients with Down's syndrome, their parents and their siblings. Included in this number are two instances of an aunt and niece affected with trisomy 21, and one of affected siblings. One case has a de novo 21/21 translocation. Blood group