Quiz  /  NEET MCQ on Multiple Allelism

  • 1. 
    A person with antigens A and B and no antibodies belongs to blood group or in which blood group antibodies are absent

  • O
  • AB
  • B
  • A

  • 2. 
    Inheritance of ABO blood group system is an example of

  • dominance
  • epistasis
  • partial dominance
  • multiple allelism

  • 3. 
    During the serological test in which anti-human serum is mixed with the blood of another animal, the blood of this animal gives the thickest precipitate

  • mule
  • dog
  • chimpanzee
  • gibbon

  • 4. 
    In disputed parentage, blood group analysis of mother, alleged father and child can

  • not be of any use
  • only prove that he cannot be the father
  • certainly prove a man to the father
  • none of these

  • 5. 
    This is the genotype of blood group A

  • I
  • I
  • I
  • I

  • 6. 
    If a patient with blood group B requires an immediate blood transfusion, this type can be given

  • AB and B
  • AB and A
  • AB and O
  • B and O

  • 7. 
    In men, this is genetically dominant

  • Albinism
  • Haemophilia
  • Rh positive
  • color blindness

  • 8. 
    Color of the skin in humans is regulated by

  • polygenic effect
  • lethal genes
  • multiple genes
  • none of the above

  • 9. 
    The recessive character typically is expressed only when present in a double recessive condition But, a single recessive gene can express itself in humans when genes are found on

  • either on autosome or X chromosome
  • X chromosome of male
  • X chromosome of female
  • any autosome

  • 10. 
    Two allelic genes are situated on

  • any two chromosomes
  • two non-homologous chromosomes
  • two homologous chromosomes
  • same chromosomes
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