Re: Evolved Human Growth Periods


"Lorentz" <drosen0000@xxxxxxxxx> wrote in message news:g08mn2$2aia$1@xxxxxxxxxxxxxxxxxxxxxx
I wonder if there are any experiments that can associate the
switching on and off of genes with the ontology of cognitive
development.


AIUI, the current technology for detecting the switching on and off of genes
requires an autopsy or at least biopsy of brain tissue. So, I'm not sure that
human cognitive development can yet be studied in this way. Maybe it
could be done with lab rats. The technology is the stuff they used in that
recent human-genome set of papers which was publicized as demonstrating
large scale transcription of parts of the genome which are not annotated
as part of standard transcription units. So the technology is relatively
automated and cheap. In principle it seems that quite a lot could be
learned about (rat) brain development with this kind of experiment.


.

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