title: Origin of satellite DNA.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002499:Centrifugation, Density Gradient; D002875:Chromosomes / Q000378:metabolism*; D004247:DNA / Q000032:analysis / Q000096:biosynthesis*; D004330:Drosophila / Q000166:cytology; D005815:Genetic Code; D006570:Heterochromatin; D008540:Meiosis
chemical_list: D006570:Heterochromatin; D004247:DNA