A 2011 study identified 13 DNA variations across 11 different genes that could be used to predict hair color.
This seems like a clearly recognizable inherited trait, based on a large influence of certain small pieces of DNA. The abstract mentions eye color as well.
This seems like a clearly recognizable inherited trait, based on a large influence of certain small pieces of DNA. The abstract mentions eye color as well.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3057002/