Given below are two statements.
Statement I: Rh factor is a surface antigen on RBCs.
Statement II: It is present in Rhesus monkeys but absent in 80% of the human population.
In light of given statements, choose the correct answer from the options given below.

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Statement I is correct, but statement II is incorrect.

Statement I is incorrect, but statement II is correct.

Both statement I and statement II are correct.

Both statement I and statement II are incorrect.

answer is C.

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Detailed Solution

Statement I is correct, but statement II is incorrect.

Statement I: Rh factor, also known as the Rh antigen, is indeed a surface antigen found on red blood cells (RBCs). It is one of the major blood group antigens in the Rh blood group system.
Statement II: However, it is not correct to say that Rh factor is absent in 80% of the human population. In fact, the Rh factor is present in approximately 80% of the human population, making it one of the most common blood group antigens. The presence or absence of the Rh factor is determined by an individual's Rh blood type, which can be Rh-positive (presence of the Rh antigen) or Rh-negative (absence of the Rh antigen).

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