CORRELATED RESPONSE IN SCUTELLAR BRISTLES TO SELECTION FOR ABDOMINAL BRISTLES IN DROSOPHILA MELANOGASTER

SUMMARYThe direct and correlated response to selection of scutellar microchaetae and scutellar bristles has been analysed by determining the contribution of the three major chromosomes, alone and in combination with each other, to the overall response. The results of the analysis confirm a previous finding, based on a formal statistical approach, that response to selection for microchaetae had highly pleiotropic effects on scutellar bristles. In lines selected, each for high and low microchaetae, genetic changes in the 2nd and 3rd chromosomes are pre-eminent and essentially equal. Inter-chromosomal interactions are of relatively minor importance in interpreting the response to selection for microchaetae but assume greater importance with respect to the correlated character. The results are discussed in terms of the genetic correlation between fitness and the character measured.

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Enhancement of larval immune system traits as a correlated response to selection for rapid development in Drosophila melanogaster

Journal of Genetics ◽

10.1007/s12041-016-0659-5 ◽

2016 ◽

Vol 95 (3) ◽

pp. 719-723 ◽

Cited By ~ 2

Author(s):

PUNYATIRTHA DEY ◽

KANIKA MENDIRATTA ◽

JOY BOSE ◽

AMITABH JOSHI

Keyword(s):

Drosophila Melanogaster ◽

Immune System ◽

Rapid Development ◽

Correlated Response ◽

Response To Selection ◽

Selection For

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Studies on the Scutellar Bristles of Drosophila Melanogaster ID. Long-Term Selection for High Bristle Number in Three further Lines Derived From the Oregon-RC Strain, Correlated Responses in Abdominal Bristles, lUld Changes in Regulation of the Scute Locu

Australian Journal of Biological Sciences ◽

10.1071/bi9810347 ◽

1981 ◽

Vol 34 (3) ◽

pp. 347

Author(s):

BL Sheldon ◽

M K Evanst

Keyword(s):

Sex Differences ◽

Drosophila Melanogaster ◽

Correlated Response ◽

Correlated Responses ◽

Term Selection ◽

Bristle Number ◽

Selection For

Results of selection over 135 generations for high scutellar bristle number in three further lines derived from Oregon-RC complement those on the four lines reported previously (Sheldon and Milton 1972). All lines differed widely in pattern of scutellar response, correlated response in abdominal and posterior central scutellar bristles, sex differences, and behaviour on relaxing selection, though the selection limits reached in the present three lines were lower than in the previous lines.

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Selection for Larval Vagility in Drosophila Melanogaster

Behaviour ◽

10.1163/156853987x00468 ◽

1987 ◽

Vol 101 (1-3) ◽

pp. 236-242 ◽

Cited By ~ 1

Author(s):

Mary Katz ◽

Louis Levine ◽

Robert F. Rockwell

Keyword(s):

Drosophila Melanogaster ◽

Life Cycle ◽

Genetic Control ◽

Correlated Response ◽

Selection For ◽

Larval Movement

AbstractSix lines of the Drosophila melanogaster Oregon-R stock were established and each line was selected for either slow or fast larval movement through a system that consisted of single, double, or triple rings. Selection was successful in all three "slow lines" but not in any of the "fast lines". A test for movement of the adults from each of the six lines failed to reveal any correlated response. It is concluded that larval vagility in this stock is close to the maximum possible, and that there is no common genetic control over the tested types of movement in the two active stages of the organism's life cycle.

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