Elevated diversity in loci linked to facial morphology is consistent with the hypothesis that individual facial recognition is important across hominoids.

Abstract excerpt

OBJECTIVES: The ability to use visual signals to identify individuals is an important feature of primate social groups, including humans. Sheehan and Nachman (2014) showed that loci linked to facial morphology had elevated levels of diversity and interpreted this as evidence that the human face is under frequency-dependent selection to enhance individual recognition (Nature Communications 5). In our study, we...

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