Mitotic recombination inMusca domesticaL. and its influence on mosaicism, gynandromorphism and recombination in males

14 April 1980

journal article
research article
Published by Hindawi Limited in Genetics Research

Vol. 35 (2) , 121-130
https://doi.org/10.1017/s0016672300013999

Abstract

SUMMARY: In the housefly, mosaics appear spontaneously but rarely. Sexual mosaics or gynandromorphs also appear in strains in which sex determination is based on autosomal sex factors. Rare cases of recombination in the male have been reported by some authors. In field and laboratory populations, mitotic plates with figures indicating exchange of chromatid segments are regularly observed in tissues of individuals of both sexes and at all stages of development. All these anomalies are interpreted as outward manifestation of the same phenomenon: mitotic recombination. The cytological basis of mitotic recombination, its relative frequency, its influence on linkage and genetic variability are discussed.

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