The complexity of genetic data has led to doubt about the usefulness of the concept of a Mongoloid race itself, since distinctive East Asian features may represent separate lineages and arise from environmental adaptations or retention of common proto-Eurasian ancestral characteristics.
Kompleksitas data genetik telah menyebabkan keraguan tentang kegunaan konsep dari ras Mongoloid sendiri, karena fitur khas Asia Timur dapat mewakili garis keturunan terpisah dan timbul dari adaptasi lingkungan atau retensi karakteristik leluhur orang proto-Eurasia yang umum.