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Updated: Jun 27, 2025

A Buoyancy-based Method of Determining Fat Levels in Drosophila
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A Buoyancy-based Method of Determining Fat Levels in Drosophila

Published on: November 1, 2016

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参考基因研究调节多虫代谢的基因的性别偏差表达

Sofie De Groef1, Melanie Ribeiro Lopes2, Mattias Winant1

  • 1KU Leuven, Department of Human Genetics, Laboratory of Behavioral and Developmental Genetics, Campus Gasthuisberg O&N1, Herestraat 49 Box 610, 3000, Leuven, Belgium.

Scientific reports
|April 25, 2024
PubMed
概括

通常使用的参考基因显示了Drosophila中基于性别的显著表达差异,影响了代谢基因研究. 新的参考基因,LamCa和βTub97EF,确保精确分析性别特异的代谢基因表达和营养反应.

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Maintenance of a Drosophila melanogaster Population Cage

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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...
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In animals, gender is determined by the number and type of sex chromosome. For example, human females have two X chromosomes, and males have one X and one Y chromosome, whereas C.elegans with one X chromosome is a male, and the one with two X chromosomes is a hermaphrodite.
In addition to sexual development, the X chromosome has genes involved in autosomal functions such as brain development and the immune system. Therefore, males and females with  distinct numbers of X chromosomes will...
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