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Why is it necessary for people to have t...

Why is it necessary for people to have their blood examined before marriage?

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BAL BHARTI-HEREDITY AND VARIATION -Exercises
  1. Complete the following sentences by choosing the appropriate words fro...

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  2. Complete the following sentences by choosing the appropriate words fro...

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  3. Complete the following sentences by choosing the appropriate words fro...

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  4. Explain Mendel's monohybrid progeny with the help of any one cross.

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  5. Explain Mendel's dihybrid ratio with the help of any one cross.

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  6. Explain the following : Distinguish between monohybrid and dihybrid c...

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  7. Is it right to avoid living with a person suffering from genetic disor...

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  8. What is meant by chromosome? Explain its types.

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  9. Describe the structure of DNA molecule.

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  10. What is the use of DNA fingerprinting?

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  11. Explain the structure, function and types of RNA.

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  12. Why is it necessary for people to have their blood examined before mar...

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  13. Write a brief note on each. Down syndrome

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  14. Write a brief note on each. Monogenic disorders

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  15. Write short notes on: Sickle-cell anaemia: Symptoms and treatment.

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  16. How are the items in groups A, B and C inter-releated?

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  17. Complete the analogy: 44 + X: Turner syndrome : : 44 + XXY :………….

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  18. Complete the analogy: 3:1 : Monohybrid : : 9:3:3:1 :…………

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  19. Complete the analogy: Women : Turner syndrome : : Men :……………

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  20. Complete the tree diagram below based on types of hereditary disorders...

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