[DIYbio] What a 'species' means today... was: Fish gDNA isolation

On Tue, Sep 30, 2014 at 5:28 PM, Yuriy Fazylov <yuriyology@gmail.com> wrote:
> Cool. I didn't expect the link to be spot on.
>
> If it is a common food stock like Tilapia. Know that some of those are not
> true species but hybrid of two species.

In today's world, what should we really think of as a species? If we
were looking at the three animals DNA sequences, the hybrid would just
be the selective merging of the two parent animals. I think it would
be analogous to computer science version control systems... where they
call things branches (I think). Just like code, certain merge
operations end up failing (immediate or latent disease), but sometimes
things are just fine.

So what's interesting about each person essentially being their own
code-branch? Do we say we're all different species, if not, is there
some hard threshold (% difference of parents, or any other sequence
for that matter), or is the threshold more abstract (but still able to
be articulated)?

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