What is the relationship between father and son?

Dad, a title for a married man with children. The word originated very early. Guangya Qin Shi: "Dad, so is Dad." Wang Niansun said, "Dad, the change of father." Dad "is not a foreign word. In ancient Chinese, "father" was pronounced as ba.

Son, refers to the dead, baby; Children; Appellation refers to the children born to parents. See Historical Records Biography of Zhang Shizhi and Feng Tang: "Emperor Wen took off his hat and thanked him: he didn't want to teach his son."

The father of biology:

In biology, the paired chromosomes, Y chromosomes, in the somatic cells of the offspring are strictly inherited from generation to generation. Men with the same surname should have the same or similar Y chromosome types. Stable SNP mutation on Y chromosome can be passed on to paternal offspring forever, and a reliable paternal gene pedigree can be constructed. Boys call men their fathers.