spermatid & nucleus
spermatocyte & nucleus
The program of shaping of the primary spermatocyte nucleus during meiotic prophase is abnormal in homozygous males. Spermatid nuclei of unequal size are seen, suggesting that male meiosis is irregular. No Nebenkern are formed. Shaping and condensation of the spermatid nucleus is abnormal. Development of the protein body is abnormal.