10 A Negative Blood Type Facts (2024)

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A Negative Blood Type (A-)

1. Rare Blood Type

It is very important to maintain sufficient supply of this blood type for it is rare. The A negative blood type is only present in about 1 out of 16 individuals. This means a few number with approximately 6.6% of the population has A negative blood. On the other hand, not all of the ethnic groups share the same proportions of A negative blood types. This blood type is present in about 7% in Caucasians, 2% in African American, 2% in Hispanic, and 0.5% in Asian.

2. Inheritance Patterns

The ABO gene found on chromosome 9 determines the ABO blood group system. A and B genes are codominant in relationship, making the expression of both antigens A and B when either alleles A or B is present. Blood Group A has an A antigen on red cells with the B antibody in the plasma.

How is A Negative blood type inherited?

If parental blood groups consist of O and A, the child’s blood group will either be O or A.

If parental blood groups consist of O and AB, the child’s blood group will either be A or B.

If parental blood groups consist of A and A, the child’s blood group will either be A or O.

If parental blood groups consist of A and B, the child’s blood group will either be one of O, A, B, or AB.

3. Blood Type Compatibility: A- Can Only Receive A- and O-

A person with an A negative blood type has antigen A but with no Rh antigen on the blood. Having the presence of A antigen and absence of Rh antigen, A negative blood type can only accept A- and O-. Transfusions with any other blood group can trigger an immune response.

4. Blood Type Compatibility: A- Can Be Given To A-, A+, AB- and AB+

An A+ donor is compatible to donate blood to blood groups A-, A+, AB- and AB+ because of the presence of antigen A but the absence of Rh antigen in the donor’s blood. Male donors can give blood for up to 4 times a year while females can donate blood up to 3 times a year.

5. Plasma Type Compatibility: A Can Receive A and AB

Blood Type A doesn’t carry the A antibody, making blood type A group compatible to receive plasma from groups A and AB. However, blood type A plasma can only be given to type O and A recipients. A person can donate plasma every 28 days.

6. Has No Rh Factor

Rh Factor is an additional marker in the blood. This can be classified as either Rh positive or Rh negative. This marker is only used for genetic differences. An A Negative blood type is Rh negative.

7. Sensitivity Towards Specific Diseases

Blood Type A is believed to influence natural risk and sensitivity towards diseases like cancer, allergies, diabetes and cardiovascular diseases. It’s best to plan regular screening for these conditions. A proactive mix of specialized dietary guidelines and lifestyle strategies can help maximize overall health in order to achieve increased longevity, greater vitality and mental clarity.

8. Association to Personality

Individuals with blood type A has been associated with specific personality traits. They are described to be analytical, inventive, detail oriented, creative, good listeners and sensitive to the needs of others.

9. Diet Recommendations

It is recommended for blood type A individuals to follow a plant-based and low-fat diet. This can be helpful the prevention of potential diseases associated with blood type A individuals. A vegetarian diet works great to keep oneself active, fit and healthy. This will involve lots of fresh fruits, legumes, fresh green vegetables, beans, whole grains, and tofu. Vegetable oils, soy products and pineapples can be helpful for weight management. Furthermore, high-carb dairy products, meat and wheat products should be avoided. Junk, greasy and processed foods should also be avoided to promote a stress free intake regimen.

10. Exercise Recommendations

There can be heightened cortisol levels in blood type A individuals. This increase makes it hard for them to handle stress. However, cortisol levels has been known to be reduced with the practice of regular exercise programs that helps promote calmness and focus. However, overtraining should be avoided because it can increase cortisol levels.

Having your blood type taken may cost up to $200 in an office. Some individuals seek instead the use of blood typing kits like this one, which is worth less than $20.