Distinct differences in chromatin structure at telomeric X- and Y-elements in budding yeast.

The telomeric repeat sequences (TGTGG) are the same at all chromosome ends, but the number and position of subtelomeric X and Y repeat elements vary端粒重复序列（TGTGG）在所有染色体末端均保持一致，但亚端粒X与Y重复元件的数量及位置存在差异。