Chromosomal Abnormalities

Refining the language for chromosomes

When talking about genetic abnormalities at the DNA level that occur when chromosomes swap, delete or add parts, there is an evolving communication gap both in the science and medical worlds, leading to inconsistencies in ...

Apr 17, 2014
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Silencing chromosome 21

Cell biologist Jeanne Lawrence's revolutionary recent discovery of a gene that effectively turns off the chromosome responsible for Down syndrome set the scientific world abuzz. On Monday night at Northeastern, ...

Dec 04, 2013
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Environmental toxins linked to heart defects

Children's congenital heart defects may be associated with their mothers' exposure to specific mixtures of environmental toxins during pregnancy, according to research presented at the American Heart Association's Scientific ...

Nov 17, 2013
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A chromosome anomaly, abnormality or aberration reflects an atypical number of chromosomes or a structural abnormality in one or more chromosomes. A Karyotype refers to a full set of chromosomes from an individual which can be compared to a "normal" Karyotype for the species via genetic testing. A chromosome anomaly may be detected or confirmed in this manner. Chromosome anomalies usually occur when there is an error in cell division following meiosis or mitosis. There are many types of chromosome anomalies. They can be organized into two basic groups, numerical and structural anomalies.

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