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This study found that using trait prevalence-informed priors may improve the prediction accuracy of appearance traits in Bayesian models, but their application is limited by sparse knowledge on trait prevalence.

DNA can predict physical traits like eye and hair color accurately, especially in Europeans, but predicting other traits and in diverse populations needs more research.

This study highlighted that advancements in genome-wide association studies have identified numerous DNA variants linked to human appearance traits, significantly enhancing our understanding of the genetic and epigenetic factors influencing human phenotypes and contributing to genomic tools for anthropology and forensics.

According to this study, forensic DNA phenotyping using Next Generation Sequencing can reliably predict certain visible traits like eye, hair, and skin color, though its routine implementation in forensics is hindered by incomplete genetic knowledge and ethical concerns in some countries.

Gene therapy shows promise for enhancing physical traits but faces ethical, safety, and regulatory challenges.