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Eduncle posted an MCQ
December 30, 2019 • 18:30 pm 0 points
  • CSIR NET
  • Life Sciences

Inclusive fitness of an animal can be measured as a sum of direct fitness and indirect fitness. Imagine you have 10 offsprings. Through diligent parental care, 5 survive to reproduce. You give your life in a heroic deed to save a total of 5 of your nieces and nephews. What is your inclusive fitness ?

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    Eduncle Best Answer

    Inclusive Fitness = Direct Fitness + Indirect Fitness = (Survival of offspring) × (r for parent-offspring) + (Survival of non-descendant kin) × (the proper r for each type of relationship) In this question Offspring survived = 5 and coefficient of relatedness (r) = 0.5, Niece+nephews = 5 and r = 0.25, hence inclusive fitness = (5*0.5) + (5*0.25) = 2.5 + 1.25 = 3.75.

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