How Is Hamiltons Rule Calculated

Hamilton’s rule (r × B > ℂ) specifies the conditions under which reproductive altruism evolves. … Given that the average genetic relatedness (that is, r) between two full sisters is 0.5, then according to Hamilton’s rule (0.5 × 1) > 0.25. In essence, the genes for altruism spread by promoting aid to copies of themselves.

What does Hamilton's Rule predict?

INTRODUCTION. Hamilton’s rule predicts that individuals should be more likely to altruistically help closer kin and likewise, be more likely to receive help from closer kin ( Hamilton 1964 ).

How do you calculate inclusive fitness?

The answer comes when we consider an individual’s inclusive fitness, which is the sum of an individual’s direct fitness, the number of offspring produced, and indirect fitness, the number of relatives (nieces and nephews) produced multiplied by the degree of relatedness of those individuals.