RELATIVE SENSITIVITY OF MATURE DROSOPHILA OOCYTES TO THE INDUCTION OF DUMPY MUTATIONS BY X-RAYS

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Mature and immature oocytes of D. melanogaster were found to show no significant difference in their sensitivity to the induction of dumpy mutations by X-rays. Genetic analysis of the recovered dumpy mutants suggested that the majority were produced without apparent breakage. Uniform sensitivity of mature and immature oocytes to X-ray-induction of point mutations may be inferred from these findings.