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aneuploidy
(redirected from Disomy)

    Also found in: Wikipedia 0.13 sec.
aneuploidy /an·eu·ploi·dy/ (an?u-ploi´de) any deviation from an exact multiple of the haploid number of chromosomes, whether fewer or more.
an·eu·ploi·dy (ny-ploid)
n.
The state of having a chromosome number that is not a multiple of the haploid number.
aneuploidy
the state of having chromosomes in a number that is not an exact multiple of the haploid number; seen in karyotypes which have a small number of extra chromosomes or have a small number less than normal.
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? Mentioned in ? References in periodicals archive
 
Chromosome 21 disomy in the spermatozoa of fathers of children with trisomy 21 in a population with a high prevalence of Down syndrome: increased incidence in cases of paternal origin.
Off to a good start: the influence of pre- and periconceptional ... by Tomashek, Kay M. / Environmental Health Perspectives
In a smaller number of cases, the syndrome is the result of uniparental disomy in which the maternal contribution to chromosome 15q is replicated, replacing the paternal contribution (Knoll, Nicholls, Magenis, & Graham, 1989).
Vocational guidance and employment of persons with a diagnosis of ... by Harper, Dennis C. / The Journal of Rehabilitation
Because uniparental disomy is rare, Malcolm says, these parents can be assured that the syndromes "would be unlikely to recur.
New evidence supports genomic imprinting by Walker, Tim / Science News
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