Chromosomal Abnormalities

The Down's syndrome 'super genome'

Down's syndrome – also known as trisomy 21 – is a genetic disorder caused by an additional third chromosome 21. Although this genetic abnormality is found in one out of 700 births, only 20 percent of foetuses with trisomy ...

Jan 19, 2018
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Immune diseases inflict identical twins differently

Any parent with identical twins knows their two children are actually remarkably different. Identical twins are genetically identical, but they are not identical in gene expressions, a difference attributable to epigenetics. ...

Dec 13, 2017
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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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