Scientists Turn Type A Blood Into Universal Donor Blood
Around 117 million pints of blood aredonated each yearacross the Earth . While that sounds like lake - loads of blood , inconsistency between blood types – the main 1 being A , B , AB , and O – means that a blood transfusion is n’t always square . Type O , however , is compatible with anyone who has Rhesus ( Rh ) convinced blood , so is deemed a " universal " profligate type as it can be freely admit by anyone with A+ , B+ , AB+ , or O+ , which is three - quarter of the world ’s universe ....