Macrochromosomes are larger than microchromosomes

Range ~20 fold
Organism Chicken Gallus gallus
Reference Zhang H, Dawe RK. Total centromere size and genome size are strongly correlated in ten grass species. Chromosome Res. 2012 May20(4):403-12 p.409 left column bottom paragraphPubMed ID22552915
Primary Source Johnston K, Joglekar A, Hori T, Suzuki A, Fukagawa T, Salmon ED. Vertebrate kinetochore protein architecture: protein copy number. J Cell Biol. 2010 Jun 14 189(6):937-43.PubMed ID20548100
Comments In chicken DT40 cells, so-called macrochromosomes are ~20 times larger than the minichromosomes, but their centromeres appear to be roughly the same size (primary source).
Entered by Uri M
ID 108217