paracentric inversion

(redirected from Chromosomal inversion)
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Related to Chromosomal inversion: Chromosomal deletion, Chromosomal translocation

paracentric inversion

[¦par·ə¦sen·trik in′vər·zhən]
(genetics)
A type of chromosomal alteration that occurs within one arm of a chromosome and does not span the centromere.
References in periodicals archive ?
Chromosomal inversions are crucial for the reproductive isolation of populations (Stefansson et al., 2005) and contribute to the speciation process (Hoffmann and Rieseberg, 2008).
In 2012, the company is launching the first commercial platform for the discovery and detection of a recalcitrant class of DNA mutations known as chromosomal inversions, which cause disease.
Unfortunately, chromosomal inversions in mosquitoes found in Algeria could not be assessed because of lack females at the half-gravid stage (during blood digestion and egg development).
Though it's not clear what these chromosomal inversions do for the insects, researchers have noticed that the reversals follow a pattern: Wild fruit flies at the same latitude tend to have similar patterns of inversions, with the patterns shifting in a gradient extending northward from the equator.