関連する実験動画
Updated: May 12, 2026

09:48
Drosophila Adult Olfactory Shock Learning
Published on: August 7, 2014
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編集者 訂正: ドロソフィラの痕跡と遅延条件付けの基礎となる異なるメカニズム
Dhruv Grover1, Jen-Yung Chen1, Jiayun Xie1
1Kavli Institute for Brain and Mind, University of California, San Diego, La Jolla, CA, USA.
Nature
|March 23, 2022
まとめ
No abstract available in PubMed .
関連する概念動画
Position-effect Variegation
In 1928, a German botanist Emil Heitz observed the moss nuclei with a DNA binding dye. He observed that while some chromatin regions decondense and spread out in the interphase nucleus, others do not. He termed them euchromatin and heterochromatin, respectively. He proposed that the heterochromatin regions reflect a functionally inactive state of the genome. It was later confirmed that heterochromatin is transcriptionally repressed, and euchromatin is transcriptionally active chromatin.
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...
Normal male Drosophila has a ratio of one X chromosome to two sets of autosomes. In contrast, normal female Drosophila...

