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With the help of suitable examples, expl...

With the help of suitable examples, explain why certain traits cannot be passed on to the next generation. What are such traits called?

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Such traits are called acquired traits. Acquired traits are experienced by an individual during his lifetime. These traits involve changes in non- reproductive cells (somatic cells) which are not transferred to germ cells. So, these traits cannot be passed on to the next generation. For example: Learning skills like swimming, dancing, cooking, body building, etc are acquired traits and cannot be passed on to the next generation.
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OSWAAL PUBLICATION-HEREDITY AND EVOLUTION-TOPIC - 1 (HEREDITY AND MENDEL.S CONTRIBUTION)(SHORT ANSWER TYPE QUESTIONS - II)
  1. Explain the double helix structure of DNA molecule.

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  2. (i) Define Genetics. (ii) Who is regarded as the 'Father of Genetics...

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  3. With the help of suitable examples, explain why certain traits cannot ...

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  4. Explain Mendel's experiment with peas on inheritance of characters con...

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  5. List two differences in tabular form between dominant trait and recess...

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  6. List in tabular form, two distinguishing features between the acquired...

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  7. What are chromosomes? Explain how in sexually reproducing organisms th...

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  8. Why cannot the experiences of an individual during its lifetime be pas...

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  9. "A trait may be inherited, but may not be expressed." Justify this sta...

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  10. What is DNA copying? State its importance.

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  11. "A trait may be inherited, but may not be expressed." Justify this sta...

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  12. In human beings, the statistical probability of getting either a male ...

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  13. How do Mendel's experiments show that traits may be dominant or recess...

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  14. (i) Name the unit of inheritance. What is its function? (ii) How are...

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  15. Show inheritance of two characters over two generations by making a cr...

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  16. In a cross between plants with purple flowers and plants with white fl...

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  17. In one of his experiments with pea plants Mendel observed that when a ...

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  18. List three distinguishing features, in tabular form, between acquired ...

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  19. In a monohybrid cross between tall pea plants (TT) and short pea plant...

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  20. 'Different species use different strategies to determine sex of a newb...

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