Talk:Drosophila embryogenesis

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I would like to add this information which includes a table, but I don't know how to do it and don't have the time for it right now:

Embryogenesis is commonly divided into 17 stages that are grouped into 7 common stages.(source: FlyMove, Volker Hartenstein and José Campos-Ortega )

Table: Stage #, time (at 25 degrees C.. RT) onset, process, embryo stage 1-4,, 0-2:10hr, fertilization, cleavage, syncytial blastoderm 5,2:10-2:50, cellularization, cellular blastoderm 6,7, 2:50-3:10, gastrulation, gastrula 8-11, 3:10-7:20, germ band elongation, intercalation and cell shape change, ? 12-13, 7:20-10:20, germ band retraction 14-15, 10:20-13:00 Head involution and dorsal closure 16-17, 13:00-22:00 Differentiation

Otherwise, I have some other ommissions that are listed here:

  • How do we deal with segmentation (biology)? It probably should be a separate article. Morphogenesis has a lot of information on this, which maybe should be split out of that article into a separate article.
  • Does drosophila have external fertilization? Is that relevant to it's usefullness as a model organism?
  • Need to define a parasegment (or else direct to segmentation article)\
  • Polytene chromosomes should be mentioned
  • Would like to mention how to screen for developmental mutants.

AdamRetchless 00:04, 8 Apr 2004 (UTC)

[edit] related information spread over multiple pages

This page is linked to from Drosophila_melanogaster#Development_and_embryogenesis. That section contains quite some information that is not here, even though this is supposed to be the "main article". It would be good to copy that information over.

Morphogenesis contains an extensive discussion on the a/p patterning system that might fit better on this page, since it's specific to Drosophila.

--131.243.56.64 02:14, 4 April 2006 (UTC)

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