What are the three most common blood types?

In the United States, the average distribution of blood types is as follows:

• O-positive: 38 percent.
• O-negative: 7 percent.
• A-positive: 34 percent.
• A-negative: 6 percent.
• B-positive: 9 percent.
• B-negative: 2 percent.
• AB-positive: 3 percent.
• AB-negative: 1 percent.

What is common blood group in India?

Most Common Blood Group in India A+ = 21.8% A- = 1.36% B+ = 32.09% B- = 2.01%

Is O+ A common blood group?

38% of the population has O positive blood, making it the most common blood type. O positive red blood cells are not universally compatible to all types, but they are compatible to any red blood cells that are positive (A+, B+, O+, AB+).

Why is O+ so common?

The gene for type O is ‘recessive’, because if you have one gene for O and one for A, then you still end up with A antigens on your cell membranes, and the same goes for O and B. In order to be group O, you need both parent cells to be O. But group O is still more common simply because it is the ancestral form.

Which is the best blood group?

O negative blood is known as the universal blood type because it is safe for everyone to receive O negative red cells.

Who is the best blood group?

Type O negative red blood cells are considered the safest to give to anyone in a life-threatening emergency or when there’s a limited supply of the exact matching blood type. That’s because type O negative blood cells don’t have antibodies to A, B or Rh antigens.

Which blood group is best for marriage?

Based on these traits, the theory suggests these blood type matches are most likely to result in happy marriage:

• O Male × A Female.
• A Male × A Female.
• O Male × B Female.
• O Male × O Female.

How common is O negative?

7%
Only 7% of the population are O negative. However, the need for O negative blood is the highest because it is used most often during emergencies. The need for O+ is high because it is the most frequently occurring blood type (37% of the population). The universal red cell donor has Type O negative blood.

What are the different types of blood group?

blood group A – has A antigens on the red blood cells with anti-B antibodies in the plasma

Which is the most common blood group?

blood group AB – has both A and B antigens, but no antibodies Blood group O is the most common blood group. Almost half of the UK population (48%) has blood group O. Receiving blood from the wrong ABO group can be life-threatening.

What are the 4 blood types and their genotypes?

Blood type AB – Blood group AB has genotype AB, antigens A, and B, no antibodies. Blood type O – Has genotype OO, no antigens on red blood cells but has both antibodies a and b. What Exactly is a Rhesus Factor? Rhesus Rh factor is a protein found in red blood cells.

What is the best blood group and genotype?

Types of Genotype. The genotypes in humans are AA,AS,AC,SS. They refer to the hemoglobin gene constituents on the red blood cells.…