Among the traits listed, the one that is typically considered acquired (i.e., not inherited) is fingernail length. While genetics can influence growth rates and other aspects of nail health, the actual length of someone's fingernails is primarily determined by their grooming habits, health, and overall nail care practices rather than inherited genetic factors.
The other traits, such as skin tone, eye shape, and the number and presence of dimples, are largely determined by genetic inheritance.