[ UK /sˈɛntɹəʊmɐ/ ]
a specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shape
the centromere is difficult to sequence
How To Use centromere In A Sentence
- Abbreviations: MN, micronucleus; BN-1MN, binucleated cell with one micronucleus; BN-1MNC+, binucleated cell with one centromere-positive micronucleus; BN-1MNC −, binucleated cell with one centromere-negative micronucleus; Mono-MNx, mononucleated cells with micronuclei; BN-NPB, binucleated cell with nucleoplasmic bridge Veterans Today
- We conclude that chromosomes with damaged centromeres fail to correctly attach to the spindle, thus producing MN and monosomy.
- The pertinent variable in this form of meiotic drive is the presence of differing numbers of centromeres on paired homologous chromosomes.
- Numbers to the left of the chromosome indicate the genetic distance in centimorgans from the centromere.
- the centromere is difficult to sequence
- The centromere is represented as a solid ellipsoid.
- This classification method uses anti-kinetochore antibody staining to identify the presence of kinetochore protein associated with the centromeres of chromosomes or its absence from acentric chromosome fragments.
- If the centromere is off center, the chromosome is submetacentric with a short arm labeled p (for petite) and a long arm labeled q (the next letter after p). Conservapedia - Recent changes [en]
- Furthermore, it has been possible to throw light on problems of crossing-over, as in the demonstration (Muller, Stone, and Offermann, 1930 et seq.) that to whatever position the centromere is moved, it causes a strong inhibition of crossing-over, the strength of which gradually diminishes with distance. Hermann J. Muller - Nobel Lecture
- Two of those contained repetitive sequence and hybridized to the centromeres of the polytene chromosomes.