HEREDITY
INCOMPLETE DOMINANCE
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Detailed explanation-1: -Answer From Rajiv K. Pruthi, M.B.B.S. For emergency transfusions, blood group type O negative blood is the variety of blood that has the lowest risk of causing serious reactions for most people who receive it. Because of this, it’s sometimes called the universal blood donor type.
Detailed explanation-2: -Universal donors are those with an O negative blood type. Why? O negative blood can be used in transfusions for any blood type.
Detailed explanation-3: -Answer and Explanation: The biological fact that essentially makes the universal recipient and donor concepts misleading is the Rh factor. It is so because an Rh-(Rh-negative) person cannot receive or donate blood to the Rh+ (Rh-positive) person, and hence, the universality is generally misleading.
Detailed explanation-4: -Blood group AB is called universal donor and blood group O is called universal recipient. Q.