they are interspersed among rtus in the x chromosome. -- these putative ribosomal genes carrying insertions are present both in the x and , although to a lesser extent , in the y ribosomal chromatin as is indicated by their existence in nurse cells of both oregon r females and females of the genotype sc4sc8/sc4sc8/y+ y .
C0035553
ribosomal
C0007634
cells