...satellite arrays. In some species, SatDNA may be organized as high-order repeats (HORs; Miga 2019 ). For example, the centromere of human Chromosome 2 has a pattern like “ABCDABCDABCD⋯”. Letters “A”–“D” correspond to four diverged alpha repeat monomers of ∼171 bp each, respectively, and the “ABCD” unit...