Spontaneous male recombination and mutation in isogenic-derived chromosomes of Drosophila melanogaster.

Abstract excerpt

Spontaneous male recombination and visible mutations were observed in second and third chromosomes derived from an isogenic line, ID, previously found to exhibit a high recessive lethal mutation rate. All three types of events tend to occur very early in spermatogenesis resulting in large clusters of identical recombinant or mutant progeny from a single male. Mutations and male recombination exchange points tend...

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