THE PARENTAL AGE EFFECT ON DROSOPHILA MELANOGASTER MATING BEHAVIOR
Abstract
Inbred wild type strains of Drosophila melanogaster were used to study males` mating activity and females` mating receptivity under the varying parental age conditions. Parental age, genotype and both factors mentioned combined action were found to influence Drosophila mating behavior, egg production and dominant lethal mutations frequency indexes. High negative correlation between mating behavior indexes and dominant lethal mutations frequency was obtained. The dynamics of mating behavior indexes changing in C-S strain was demonstrated to reflect the dynamics of the parental gametes formation and maturation, while the same indexes in Or strain correlate with the parental age and late dominant lethal mutations frequency.
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