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THE GENIUS OF CHARLES DARWIN -- ILLUSTRATED SCREENPLAY & SCREENCAP GALLERY |
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to make more copies of themselves,
how can a gene achieve this selfish objective
by making its bearer behave altruistically?
One part of the answer is kinship.
An altruistic gene can spread through the population
so long as the altruism
is directed at other organisms that have the same gene.
In other words, at family.
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