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Selection for Delayed Senescence in Drosophila melanogaster
Leo S. Luckinbill, Robert Arking, Michael J. Clare, William C. Cirocco and Steven A. Buck
Vol. 38, No. 5 (Sep., 1984), pp. 996-1003
Published by: Society for the Study of Evolution
Stable URL: http://www.jstor.org/stable/2408433
Page Count: 8
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Although theories of the evolution of senescence differ in the mode of action by which genes are thought to control the aging process, they all view the rate of senescence as an adaptable feature of life history and modifiable, therefore, by natural selection. Tests of theory, however, have generally yielded mixed results. The life span of Drosophila melanogaster increased strongly in populations selected for late reproduction in these experiments. Delayed senescence was accompanied by a reduced early fecundity, suggesting pleiotropic genetic control of the aging process.
Evolution © 1984 Society for the Study of Evolution