Why everyone has brown eyes, even if they appear blue https://t.co/2rKMpXZCir via @CNN Several #Genes have an influence on eye color pic.twitter.com/BX3Rxu7bLV— Sophia Genetics (@SophiaGenetics) December 16, 2016
Why everyone has brown eyes, even if they appear blue https://t.co/2rKMpXZCir via @CNN Several #Genes have an influence on eye color pic.twitter.com/BX3Rxu7bLV