1 oint(s) of virtually any naturally occurring Y chromosome deletion.

2 ir deletion, we examined a panel of men with Y chromosome deletions and known testicular pathologies

3                                              Y chromosome deletions arise frequently in human populat

4 counts of 40 000-100 000 per mL, we detected Y-chromosome deletions in leucocyte DNA similar in locat

5                       In the two men in whom Y-chromosome deletions in leucocyte DNA were detected, w

6                                          The Y-chromosome deletions in these two men are de-novo muta

7 sperm DNA was tested, and it showed the same Y-chromosome deletion seen in leucocytes.

8 tion of abnormal spermatogenesis in men with Y chromosome deletions suggests that genes important for

9                          In 10-15% of cases, Y chromosome deletions that encompass critical spermatog

10  These intervals are defined by interstitial Y-chromosome deletions that impair or extinguish spermat

11                                           No Y-chromosome deletions were detected in the fathers of t

12 er, five lines of outbred XY(d) females with Y chromosome deletions Y(Del(Y)1Ct)-Y(Del(Y)5Ct) that de