from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. pericentral
- adj. Of or pertaining to a pericentre
- adj. Of or pertaining to the centromere of a chromosome
from The Century Dictionary and Cyclopedia
- Of or pertaining to a pericenter; pericentral.
- In geology, deposited around a center, as lava-flows or tuffs around a crater.
… Humans and chimps differ not only in chromosome number, but also by nine pericentric chromosomal inversions and one centric fusion.
(34 M/SM + 6 ST/A) and we concluded that the differences between the two cryptic species are due to pericentric inversions and one tandem fusion.
Position-effect variegation (PEV) is the stochastic transcriptional silencing of a gene positioned adjacent to heterochromatin. white-mottled X-chromosomal inversions in Drosophila are classic PEV models that show variegation of the eye color gene white due to its relocation next to pericentric heterochromatin.