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The effect of repeated microwave irradiation on the frequency of sex-linked recessive lethal mutations in Drosophila melanogaster.

Authors
Type
Published Article
Journal
Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis
0027-5107
Publisher
Elsevier
Publication Date
Volume
157
Issue
2-3
Pages
163–167
Identifiers
PMID: 3927161
Source
Medline

Abstract

The effect of repeated microwave irradiation (2375 MHz, CW) on mutagenic changes in Drosophila melanogaster was investigated. Oregon-R males were exposed to sublethal doses of microwaves (15 W/cm2 for 60 min, 20 W/cm2 for 10 min, and 25 W/cm2 for 5 min) for 5 days. The Muller-5 cross was used to detect sex-linked recessive lethal mutations. 4 lethals were found in treated groups but their frequency was not significantly different from that of the control group. No cumulative effect of repeated exposures on the mortality of the treated males was observed; on the contrary, their mortality decreased with the number of exposures. Irradiation did not affect the sex ratio of the F1. A significant decrease in the number of F1 offspring was noted in the group exposed to the power density of 15 W/cm2. A negative thermal effect of microwaves on male germ cells was probably manifested by this long exposure.

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