Zoology - Principles of Inheritance and Variation Two Marks Question

12th Standard EM

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Biology

Time : 00:45:00 Hrs
Total Marks : 30
    15 x 2 = 30
  1. What is haplodiploidy?

  2. What is Lyonisation?

  3. What is criss-cross inheritance?

  4. Why are sex linked recessive characters more common in the male human beings?

  5. What are holandric genes?

  6. What is Lyon's hypothesis?

  7. What are Gynandromorphy?

  8. How does hemophilia affect an individual?

  9. Define multiple allelism.

  10. Write the possible genotypes for a person having B-blood group

  11. State Wiener Hypothesis on Rb-factor.

  12. Mention few X-linked inherited diseases

  13. Explain the inheritance pattern of V-linked genes with example

  14. Comment on Trisomy-21.

  15. Mention the genetic makeup of Turner's syndrome person and Klinefelter's syndrome person.

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