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Zoology - Principles of Inheritance and Variation Three Marks Questions

12th Standard

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Biology

Time : 01:00:00 Hrs
Total Marks : 30
    10 x 3 = 30
  1. Differentiate Intersexes from Supersexes

  2. Explain the genetic basis of ABO blood grouping man.

  3. How is sex determined in human beings?

  4. What is male heterogamety?

  5. Give an account of genetic control of Rh factor.

  6. What is the reason for the occurrence of chromosomal abnormalities?

  7. What is extra chromosomal or cytoplasmic, inheritance

  8. What are Kappa particles.

  9. What are the enzymes encoded by the alleles IA,IB and IO?

  10. How Erythroblastosis foetalis can be prevented?

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