21-Year-Old Lady Discovers Her Dad Was Not Her Real Father In A Biology Class

After 21yrs of Living with her mom and the man she thought was her father, a Lady discovered he was not really her father in a biolgy class, after her professor discussed about Blood Group..
Now according to ther twitter user who shared the post, her mom slept with her father's brother and got pregnant but hid it from both of them until that lecture day, must have been devastating..

Read his post below!