[Rockhounds] Two ancient wolf populations contributed to modern dog breeds

[Dora Smith]

Thanks, Paul.   These are good articles!

But I find it highly doubtful that dogs were domesticated just once or 
twice.   The articles themselves tell us that wolf DNA somehow quickly 
became very homogenous across the planet.   And I wonder if the mutation 
that spread happened just once.

Yours,

Dora Smith

On 10/7/22 8:02 PM, Paul wrote:
> Two ancient wolf populations which evolved into man’s best
> friend. DNA study closes in on solving the mystery of where
> and when dogs were domesticated. Imma Perfetto, Cosmos.
> https://cosmosmagazine.com/nature/ancient-wolf-populations-dog-ancestors/
>
> The open access paper is:
>
> Bergström, A., Stanton, D.W., Taron, U.H., Frantz, L., Sinding,
> M.H.S., Ersmark, E., Pfrengle, S., Cassatt-Johnstone, M.,
> Lebrasseur, O., Girdland-Flink, L. and Fernandes, D.M., 2022.
> Grey wolf genomic history reveals a dual ancestry of dogs.
> Nature, 607(7918), pp.313-320.
> https://www.nature.com/articles/s41586-022-04824-9
>
> Another article is:
>
> Shrinking bodies and shrinking brains
> The transition from ancient wolves to small dogs was a simple
> one, but domestication may have whittled away cats’ brains.
> Jamie Preist, Cosmos, January 22, 2022
> https://cosmosmagazine.com/nature/evolution/shrinking-bodies-and-shrinking-brains/ 
>
>
> Yours,
>
> Paul H.
>
>
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