What blood group is the universal donor?

More Questions

• Why is blood group o called universal donor?
• Why blood group o is called universal donor?
• Why type o blood is considered the universal donor?
• What happens if husband and wife have same blood group?
• Why o positive is universal donor?
• Why is o the universal donor?
• What is the blood group of jesus?
• How to change blood group in driving licence online?
• Why humans have different blood group?
• What is the importance of blood group?