A similar situation can arise between DLBCL and Hodgkin's lymphoma; the tumor is then classified as âB-cell lymphoma, unclassifiable, with features intermediate between diffuse large B-cell lymphoma and Hodgkinâs lymphomaâ.
According to Jewish law, when Jewish boys become 13 years old, they become accountable for their actions and become a bar mitzvah. A girl becomes a bat mitzvah at the age of 12 according to Orthodox and Conservative Jews, and at the age of 13 according to Reform Jews. Prior to reaching bar mitzvah age, the child's parents hold the responsibility for the child's actions.
There's a good chance that Raditz and Goku weren't his only two children. Like I said, it's not like they went on fishing trips together and bonded. Raditz was a low-level soldier, so he was probably shipped off to conquer a foreign planet as a youngster, like Goku was. He was away when Frieza destroyed planet Vegeta. He was just another weak soldier.