Student in Biology Class Uncovers a Shocking Family Secret While Studying Blood Types

Student in Biology Class Uncovers a Shocking Family Secret While Studying Blood Types

Science. Tearing families apart with rock-solid proof. 

By Marianne Garvey

A student who was studying blood types in biology class made a shocking discovery that changed her life.

California State University student Anya Hettich, 19, from San Bernadino, CA., was sitting in her 8 a.m. class when the science of blood types came up. A classmate of hers noted that her own blood type didn’t add up — if her father was type O and her mother was A, how could she be type AB? It made no sense.

“I’m in bio class and we’re going over blood type and uhhh.... i think a girl just found out she was adopted,” Anya wrote on Twitter. (She has since locked her Twitter account.)

“She told the prof her dad was O and her mom was A but yet she was AB…My prof explained that that’s impossible, that she’s confused on the blood types or something - she even drew out the different Punnett squares to show her,” she added.

A little science for background:

Blood type is based on the presence or absence of the A and B antigens on your red blood cells. A blood type has only the A antigen. B blood type has only the B antigen. The AB blood type has both A and B antigens, and the O blood type has neither A nor B antigen. To have an AB blood type, one parent must be A and one must be B, so it was simply impossible for the girl's father to have an O blood type.


Yup, after a talk with her professor, the girl went home to ask her parents what was up and double check their blood types.

Turns out, she discovered a long buried family secret — the girl’s mom had an affair with her dad's stepbrother so her uncle was really her father.

Someone call Jerry Springer.

Understandably, her parents are now in the process of divorcing.

When the girl returned to class the next day, she announced to “the entire class of 243 people” what the real reason for her blood type was.

“So technically, she’s been raised by her uncle and not her dad her entire life - her mom hid it from the both of them for 21 years,” a classmate tweeted.

Science, people. Can't argue with it.

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