Dictionary > Chromosomal duplication

Chromosomal duplication

Definition
noun
Duplication of an entire or a portion of a chromosome.
Supplement
Chromosomal duplication may lead to mutation, and to disorders such as Pelizaeus-Merzbacher disease (PMD), a rare central nervous system disorder commonly caused by a complete duplication of the region of the X chromosome containing the PLP1 gene.
Synonyms:

Compare: deletion mutation.

See also: mutation.


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