AP Biologymediummcq1 pt
A behavior that increases an organism's INCLUSIVE fitness may
A.help relatives reproduce even at personal cost
B.only benefit the individual itself
C.never evolve
D.reduce the gene's frequency
Explanation
Core Concept
Inclusive fitness includes an individual's direct contribution through its own offspring plus indirect effects on the reproduction of relatives, weighted by genetic relatedness. Helping a close relative can therefore increase inclusive fitness when the relatedness-weighted benefit exceeds the cost to the helper.
Correct Answer
Ahelp relatives reproduce even at personal cost
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