Response to Selection in Synthetic Lines of Drosophila Melanogaster
نویسندگان
چکیده
منابع مشابه
Transposable element-induced response to artificial selection in Drosophila melanogaster: molecular analysis of selection lines.
Artificial selection lines for abdominal bristle score of Drosophila melanogaster established from P-M hybrid dysgenic crosses showed increases in selection response, heritability and phenotypic variance compared to similar lines started from nondysgenic crosses. To determine whether this increased genetic variance could be due to enhanced transposition of P elements following the dysgenic cros...
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Stress resistance is associated with longevity in Drosophila melanogaster and other model organisms used for genetic research. The present study tests for oxidative stress resistance in one set of lines selected for late-life reproduction and extended longevity. Both females and males from the selected lines were appreciably more resistant to oxidative stress than were flies from the control li...
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We have conducted genetic analyses of 12 long-term selection lines of Drosophila melanogaster derived from a highly inbred base population, containing new mutations affecting abdominal and sternopleural bristle number. Biometric analysis of the number of effective factors differentiating the selected lines from the base inbred indicated that with the exception of the three lines selected for in...
متن کاملTransposable element-induced response to artificial selection in Drosophila melanogaster.
The P family of transposable elements in Drosophila melanogaster transpose with exceptionally high frequency when males from P strains carrying multiple copies of these elements are crossed to females from M strains that lack P elements, but with substantially lower frequency in the reciprocal cross. Transposition is associated with enhanced mutation rates, caused by insertion and deletion of P...
متن کاملStudies on natural populations of Drosophila. V. Correlated response to selection in Drosophila melanogaster.
I N the series of experiments to be described, a population of Drosophila melanogaster was selected for increase or decrease in wing length, with and without inbreeding, and the resulting changes in thorax length, rate of egg production, and longevity were observed. Heritabilities, and phenotypic and genetic correlations were also measured at intervals during the ten generations of selection. T...
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ژورنال
عنوان ژورنال: Australian Journal of Biological Sciences
سال: 1973
ISSN: 0004-9417
DOI: 10.1071/bi9730613