Cytogenetic analysis of major heterochromatic elements (especially Xh and Y) in Drosophila melanogaster, and the theory of "heterochromatin".
D000818:Animals; D002875:Chromosomes; D020732:Cytogenetic Analysis; D004330:Drosophila / Q000235:genetics*; D004331:Drosophila melanogaster; D006570:Heterochromatin
D006570:Heterochromatin
CHROMOSOMES; DROSOPHILA/genetics