What is human genetics?

Have you ever wondered, why is it that your friend can roll his tongue and you just can not seem to roll yours? Or have you been wondering how come you have freckles, but your best friend does not? Human genetics can answer this questions.

Human genetics describes the study of inheritance as it occurs in human beings. One ofthe most important principles that governs life is inheritance of genes. There are over 200 traits that are transmitted from generation to generation in humans. The most interesting traits gathered in this application.