Everyone studied Heredity Chapter in Biology. Generally we know that the children get some of characteristics either positive or negative, from their parents or from closed relatives of their family, that scientifically explained in Heredity chapter in Biology. Now we think about the Astrology where Ascendant/Lagna and Moon Sign/ Rasi are two important considerations in the Horoscope or Birth Chart of a Native. Ascendant/Lagna indicates the Person himself including his physical characters, appearances,longevity etc . On the other hand Moon sign/ Rasi indicates the mentality,attitude,behavior and characteristics of a person. And surprisingly it has been noticed that in majority of the cases ,children having either Ascendant/Lagna or Moon Sign/ Rasi as same as their patients. The conformation of Ascendant or Moon signs of children with their parents strongly indicate the flow of characteristics from one generation to the next that has already been proved by many Scientists worked in the field Biological Science.