Classical racial traits (skin color, hair color, nose form, etc.) are adaptations to local climates.
Genetic traits (fingerprint patterns, blood types, mtDNA, etc.) track descent.
"Classical racial traits (skin color, hair color, nose form, etc.) are adaptations to local climates."
But in historical times, blondes with nice noses have had a reproductive advantage. Among American blacks today, those with lighter skin do.