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5136

Which of the following statements is correct about the ABO blood group system?

  • A. Antigens are located on the surface of white blood cells
  • B. Antibodies are located in the blood plasma
  • C. Antibodies are located on the surface of the red blood cells
  • D. Antigens are located in the blood plasma
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5137

A woman with blood group A gives birth to a child with blood group O. Which of the following blood groups cannot belong to the father?

  • A. B
  • B. A
  • C. AB
  • D. O
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5138

The diagram above is an illustration of genetic cross between two parents. The parental gametes I, II, III and IV gave rise to the offspring below. Study it and answer questions 43 and 44.

Gametes I, II, III and IV, respectively are 

  • A. T,T,T and t
  • B. T, t, t, and t
  • C. T, T, t and t
  • D. T, t, T and t
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5139

Which of the following statements is correct about the cross? 

  • A. Both parents are heterozygous
  • B. The male is not heterozygous
  • C. The female is homozygous
  • D. Both parents are homozygous
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5140

The physical appearance of an organism is described as its

  • A. phenotype
  • B. genotype
  • C. allele
  • D. chromosome
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