Alexei Romanov suffered from hemophilia, a condition that (1 point) O causes the body to produce abnormally shaped red blood cells due to the body's inability to form fibrin proteins.
O prevents blood from clotting normally due to the body's inability to form fibrin proteins.
O prevents the body from absorbing vitamin B12 due to the body's inability to form fibrin proteins.
O causes the body to produce too many blood cells due to the body's inability to form fibrin proteins.