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Size and location of XEn arrays
| Clone | Array size (kb) | Chromosomal location |
|---|---|---|
| 4A | 2100 | 13p (high frequency of duplication) |
| 4E | 250 | 21p or 22p |
| 5A | 250 | 13p |
| 5D | 250 | 13p |
| 3D | 1400 | 10q (close to telomere, rearrangements) |
| 5B | 175 | 10p (adjacent to centromere) |
| 5C | 105 | 7q (middle of arm) |
| 5E | 850 | 7q (adjacent to telomere) |
The size of XEn arrays present in each clone was determined by quantitative Southern blotting. Chromosomal location of XEn arrays was demonstrated by FISH on metaphase spreads (Fig. 1).
