According to evolutionary theory, people are more likely to help siblings (with whom they share roughly half of their genes)than cousins (with whom they share roughly one-eighth of their genes), and more likely to help cousins than strangers. Research demonstrates that, in reality, ____.
A)people are more likely to help family members than non-family members, but no more likely to help siblings than cousins
B)people are more likely to help siblings than cousins, but no more likely to help cousins than strangers
C)people are no more likely to help family members than non-family members
D)this pattern by and large holds true

Question

According to evolutionary theory, people are more likely to help siblings (with whom they share roughly half of their genes)than cousins (with whom they share roughly one-eighth of their genes), and more likely to help cousins than strangers. Research demonstrates that, in reality, ____. ​
A)people are more likely to help family members than non-family members, but no more likely to help siblings than cousins
B)people are more likely to help siblings than cousins, but no more likely to help cousins than strangers ​
C)people are no more likely to help family members than non-family members ​
D)this pattern by and large holds true ​

Quizplus · Accepted Answer

Research in evolutionary psychology and related fields supports the idea that individuals are more likely to help those with whom they share a greater proportion of genes, reflecting the principle of inclusive fitness. This means people are generally more inclined to assist siblings over cousins and cousins over strangers, aligning with the predictions of evolutionary theory.

According to Evolutionary Theory, People Are More Likely to Help