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Deletion |
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deletion /de·le·tion/ (de-le´shun) in genetics, loss of genetic material from a chromosome. ) Examples of large-scale chromosomal deletions: (A), terminal; (B), interstitial.
Deletion The absence of genetic material that is normally found in a chromosome. Often, the genetic material is missing due to an error in replication of an egg or sperm cell. Mentioned in: Cri Du Chat Syndrome, DiGeorge Syndrome, Prader-Willi Syndrome, Pseudoxanthoma Elasticum deletion in genetics, loss of genetic material from a chromosome. |
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The deletion process happens silently to prevent detection, and it can survive accidental or deliberate attempts to remove or disable the software. This is because real-time PCR cannot identify size polymorphisms, whether they result from natural events such as the spontaneous addition and deletion of tripeptide repeats in malaria parasites (14) or deliberately malevolent manipulation of microorganisms in the laboratory as potential agents of bioterrorism. Prior studies showed that people with this deletion lack one copy of the usual two copies of the COMT gene, which triggers production of a protein that breaks down the neurotransmitter dopamine. |
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Deletion
