No. There is no correlation between blood type and intellectual intelligence. My father was O positive, which means his mother was probably O positive since he was born at home and his mother was 40 years old. She immigrated from Germany when she was 13 years old with her entire family. My father had Bachelors and masters of science degrees and a Ph.D. in entomology.
My mother's mother was A positive. She had at least one bachelors degree, an M.A.T. and an M.A in English literature. She was 39 years old when my mother was born in a hospital. My mother was AB positive. A B.A and an M.A in biology, a life teaching certificate in Oklahoma, 3 semesters, not years, of medical school and an attempted Ph.D. in physiology.
I am B negative. That means my maternal grandfather was also B negative. He was half Cherokee, no college degree, but he was an accountant at a grain elevator.
I have 3 bachelor's degrees, B.A. in history, a B.S. in earth sciences/geology, an attempted M.S in
geophysics, no Ph.D. Ive walked away from an MBA and an MIS degree program. I still would like to earn an MLIS degree.
There is NO correlation between blood type and intellectual IQ.