|Online ISSN : 2349-8080
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Impact of ionizing radiation of X-ray at 1500 r ( roentgen ) has been studied on the spermatogenesis of Aulacophora foveicollis. X –ray induced chromosomal aberrations such as fragmentation, clumping,swelling,stickiness etc. in the spermatogonial, primary spermatocyte and secondary spermatocyte cells in their various stages. The size of cell and nucleus increases and their membrane are generally distorted. The changes in their nucleolar persistence, nucleolar vacuole and perinucleolar ring has also been observed. The effect of X-ray radiation on the further elongating spermatids contain vacuoles which later on fuse together and form an unstained tube like structure. This tube is also lost due to the elongation and condensation of the sperm nucleus. It causes mutagenic effect and create genetic imbalance.