NEET BIOLOGY

Detailed explanation-1: -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.

Detailed explanation-2: -Type O positive blood is given to patients more than any other blood type, which is why it’s considered the most needed blood type. 38% of the population has O positive blood, making it the most common blood type.

Detailed explanation-3: -O type is the most common despite being a recessive gene because it is more highly expressed in the gene pool, while type A and type B are dominant (and type AB is codominant) but are less common because they are less expressed in the gene pool.

Detailed explanation-4: -The O blood type is the most common globally and is carried by nearly 70% of South Americans. It is also the most common blood type in Canada and the United States.

Detailed explanation-5: -Although the blood type O+ can donate blood to all positive blood types (A+, B+, AB+, and O+), it is not a universal donor. Blood type O-is the universal blood donor, meaning that people with this blood type can donate blood to all other types with a lower risk of causing serious reactions.