Sentences with phrase «kin selection behaviors»

Such evolutionarily novel circumstances, the researchers argue, are creating conditions where the strong desire to be a parent — no matter the source of a child's genes — can override evolved, kin selection behaviors that might otherwise lead parents to invest more time and resources in their own offspring.

Not exact matches

Seen that way, it is difficult to understand why anyone attributed this kind of behavior to kin selection in the first place.
Maybe there is some kin selection going there, but that's not what's causing the behavior of staying at home and helping.
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.
He suggested that natural selection could encourage altruistic behavior among kin so as to improve the reproductive potential of the «family.»
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.
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