What happened is jealousy can ruin a family and everything,a brother was jealous of his own brother because he was powerful,caring and every body loved him, so he tried to do anything to kill him, and he lied to him and told him your son is in trouble and it end up having him killed and he told everybody his son killed him.
C. F1 generation is all Yy (let Y be yellow and y be green). Y is dominant to y. The F2 could be YY, Yy, Yy, or yy. 3:1
