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Origin of trisomies in human spontaneous abortions

โœ Scribed by Terry Hassold; Aileen Matsuyama

Publisher
Springer
Year
1979
Tongue
English
Weight
558 KB
Volume
46
Category
Article
ISSN
0340-6717

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โœฆ Synopsis

Chromosome heteromorphisms of 34 trisomic abortuses and their parents were compared to determine the origin of the extra chromosome. Fourteen of the trisomies were maternal in origin, ten resulting from a first-meiotic-division error and four from either first- or second-meiotic-division errors. No paternally derived trisomy was identified.

๐Ÿ“œ SIMILAR VOLUMES

Origin of acrocentric trisomies in spont
Origin of acrocentric trisomies in spontaneous abortuses
โœ Norio Niikawa; Elisabeth Merotto; Tadashi Kajii ๐Ÿ“‚ Article ๐Ÿ“… 1977 ๐Ÿ› Springer ๐ŸŒ English โš– 289 KB

A total of 33 spontaneous abortuses with various acrocentric trisomies were studied for the origin of the extra chromosomes using Q- and R-band polymorphisms as markers. Eleven trisomic abortuses were informative: nine trisomic abortuses (one with trisomy 13, three with trisomy 21, and five with tri

Triple trisomy in a spontaneous abortion
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โœ S. W. Soukup ๐Ÿ“‚ Article ๐Ÿ“… 1992 ๐Ÿ› Springer ๐ŸŒ English โš– 105 KB

In a recent report of chromosome analysis of a 17-week fetus, triple trisomy was found, i.e. 4 9 , X X X , + 5 , + 1 3 (Pettenati and Rao 1991). The authors comment on the rarity of this event since they found only one other reference to such a finding in an abortus with 49,XX,+2, + 5 , + 8 (Kajii e