Ultrastructural studies on spermatogenesis in a sex-ratio-mutant strain of Drosophila simulans.

@article{Ramamurthy1980UltrastructuralSO,
  title={Ultrastructural studies on spermatogenesis in a sex-ratio-mutant strain of Drosophila simulans.},
  author={Gopalakrishnan Ramamurthy and Max Alfert and Curt Stern},
  journal={The American journal of anatomy},
  year={1980},
  volume={157 2},
  pages={205-19}
}
The aberrant sex-ratio mutation in D. simulans used for this study is a temperature-sensitive autosomal recessive. Homozygous males raised at 16 degrees C produce about 2% of F1, but those raised at 26 degrees C, have a normal sex ratio. Ultrastructural studies of spermatogenesis have revealed many anomalies in the germ cells of flies raised at 16 degrees C, but the same flies raised at 26 degrees C had few anomalies. The earliest spermatogenic stage with noticeable abnormalities was the… CONTINUE READING

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