Sentences with phrase «on tameness»

This article appeared in print under the headline «On tameness and tail - dropping in island lizards»

That's different from wild animals that have been tamed but don't pass on that tameness to the next generation.

Not exact matches

They, therefore, received more attention, food and protection, which gave them a breeding advantage, and they passed on this favorable trait, call it «tameness,» to their offspring.

After thousands of years of inadvertent selection for «tameness» the camp wolves started to become dependent on their human hosts and to even look different to their still wild ancestors.

Humans may have waited until these creatures showed some semblance of tameness on their own before helping the process along she says.

«Other studies have seen a relationship between tameness and stress responses in animals,» said Jessica Hekman, the first author of the paper who worked on the study as a graduate student in the laboratory of University of Illinois animal sciences professor Anna Kukekova.

In a renowned study started back in the 1950s, Russian researchers found that captive silver foxes bred for tameness also exhibited a suite of other traits, such as white patches of fur on their heads, curly tails, «feminized» faces with shorter snouts and floppy ears, and skulls in males that weren't much larger than in females.

For a film focused on teenage angst and invaders from other planets, I AM NUMBER FOUR shows a curious tameness.

To bolster this perspective, Bradshaw and Nott went on: «Studies on foxes selected over 20 generations for tameness by a group of Soviet biologists showed that over successive generations the foxes gradually began to sound more and more like dogs.»

On top of this, it seems that some physical or cosmetic traits are genetically linked to tameness.

The thought is far off - topic, but I'm reminded of a Russian study on breeding foxes for tameness, which resulted in numerous unexpected features (like border - collie coloring) within a decade.