Answer: Kin Selection
Explanation:
Kin Selection is one of the foundations of modern social study behavior. This is a kind of selection where the success of relatives is favored over an individual's success.
In this concept, individuals tend to sacrifice themselves and their chances of acquiring success, to pave a way for their relatives to acquire success. This is also called Kin Altruism. Since the individual has the same genes as that of their relatives, they are more likely to succeed and pass the trait to offspring.
So, as per evolutionary theory, kin selection is the idea that specifies that people tend to help others who share their genes.
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