The N-terminus of Drosophila ESC mediates its phosphorylation and dimerization

Feng Tie1, Alex P Siebold, Peter J Harte

  • 1Department of Genetics, Case Western Reserve University, Cleveland, OH 44106, USA.

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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 Drosophila...