Guest
On Thursday, 25 July 2019 20:53:59 UTC+1, Rick C wrote:
but you don't know
On Thursday, July 25, 2019 at 3:19:33 PM UTC-4, Tom Gardner wrote:
On 25/07/19 18:17, Rick C wrote:
On Thursday, July 25, 2019 at 12:38:24 PM UTC-4, Tom Gardner wrote:
Six(!) generations, in one experiment on foxes.
"Starting from what amounted to a population of wild foxes, within six
generations (6 years in these foxes, as they reproduce annually), selection
for tameness, and tameness alone, produced a subset of foxes that licked
the hand of experimenters, could be picked up and petted, whined when
humans departed, and wagged their tails when humans approached. An
astonishingly fast transformation. Early on, the tamest of the foxes made
up a small proportion of the foxes in the experiment: today they make up
the vast majority."
FFI:
https://evolution-outreach.biomedcentral.com/articles/10.1186/s12052-018-0090-x
Sounds like an experiment that can't be conducted without impacting the
result by the measurement. Rather than selecting for tameness the
experimenters could have been training the foxes. There are several problems
with this work or at least the report of it which is a far cry from a
research paper.
The first is I don't see a control group mentioned. They should have also
randomly picked another group of foxes and perform everything the same,
handling, testing, selecting, but randomly, not by the results of testing.
Not much to base your opinion on. No evidence this was genetic selection at
all.
From memory of watching a TV programme about it a few decades ago,
many of those points aren't the case.
However, that is to see the trees and miss the wood. The key point
is how fast the changes occurred - much *much* faster than anyone
guessed before they did the experiment. And much faster than people
guess or "want" to believe after hearing about it.
No doubt there is more solid information out there. I can't be
bothered to find it and it wouldn't convince those that don't
want (for whatever reason) to believe it.
Sorry, science does not advance by "I can't be bothered to find it". How fast the changes occurred mean nothing if you don't have control groups and other measures to assure you are measuring what you think you are measuring. The changes occurred faster than what exactly? What is your yardstick for "fast"? Why would you not expect a wild animal, closely related to the dog to be hard to domesticate?
I expect the TV shoe you saw to be much like the article you linked to. Nothing at all like a science report.
but you don't know