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.