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Updated: Jul 29, 2026

Measurement of Lifespan in Drosophila melanogaster
10:00

Measurement of Lifespan in Drosophila melanogaster

Published on: January 7, 2013

一个延迟的死亡浪潮从繁殖在Drosophila中的死亡

C M Sgrò1, L Partridge

  • 1Department of Biology, University College London, Wolfson House, 4 Stephenson Way, London NW1 2HE, UK.

Science (New York, N.Y.)
|January 5, 2000
PubMed
概括

生殖加速了雌性Drosophila的衰老和死亡率. 这项研究揭示了早期繁殖的破坏性影响,而不是迟起作用的突变,驱动衰老和死亡率模式.

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相关概念视频

The Ratio of X Chromosome to Autosomes02:45

The Ratio of X Chromosome to Autosomes

In most organisms, sex is determined by the ratio of X and Y chromosomes. However, in some organisms, such as Drosophila and C.elegans, sex is determined by the ratio of the number of X chromosomes to the number of sets of autosomes. The Y chromosome in Drosophila is active but does not determine sex. It contains genes responsible for the production of sperms in adult flies.  
Normal male Drosophila has a ratio of one X chromosome to two sets of autosomes. In contrast, normal female Drosophila...