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.