Sentences with phrase «by kin selection»

For example, unselfish behaviour can sometimes be explained by kin selection: in animals, the larger the degree of relatedness, the more likely they may be to help.
They were enchanted by kin selection because it appeared to have a basis in mathematics.

Not exact matches

Instead of studying what's going on and seeking the best explanation, they start by looking for a test to demonstrate it's really kin selection.
A cooperative living structure was more likely to be favoured when both parental genes were shared by siblings, a trait known as «kin selection
For instance, the theory of kin selection — helping your relatives so your genes will be reproduced — can be illustrated by a formula called «Hamilton's rule,» which explains when a behavior or trait will be favored by natural selection.
For social insects, I'm presenting as much evidence as I can summon for each of the two opposing views: Either collateral kin selection is the key, or group selection favored by very unusual environments caused them to be altruistic.
But human altruism can not possibly be controlled by a single gene, and different genes that might produce altruistic behavior probably interact, making the kin selection equation quite a bit more complicated.
Cooperative behaviors in ants are rooted in the kin selection advantage that shaped these insects» evolution: The female workers pass more of their own genes to the next generation by supporting their egg - laying mother than by laying eggs of their own.
The biologist William D. Hamilton made an end run around this problem in 1964 by invoking a strategy that Maynard Smith had called kin selection.
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