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Why are variation possible in progeny of...

Why are variation possible in progeny of sexually reproductive individuals ?

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Variations are possible in progeny of sexually reproductive individuals becasuse copy of DNA in newly formed cell is not identical to copy DNA of original cell.
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VGS PUBLICATION-BRILLIANT-REPRODUCTION THE GENERATING SYSTEM-CREATIVE QUESTIONS FOR NEW MODEL PAPER (1 MARK QUESTIONS)
  1. What is contraception ?

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  2. What are the surgical methods to prevent fertilisation ?

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  3. What is foeticide ?

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  4. Who used cells fusion technique to understand the functional relations...

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  5. What is the advantage of reproduction through spores in the case of rh...

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  6. Which process taking place in the nucleus of a cell leads to variation...

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  7. Why it is said that sexual reproduction promotes diversity of characte...

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  8. Name the causative organism of syphilis and gonorrhoea .

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  9. Why are variation possible in progeny of sexually reproductive individ...

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  10. The simple animals such as planarism can be cut number of pieces and e...

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  11. A student kept leaves of Bryophyllum in the soil. After few days new p...

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  12. Name the three plants which are now grown using plant tissue culture m...

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  13. What does the mother's blood take away from the baby and into the plac...

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  14. What happens if the fallopian tubes are partially blocked and the ovul...

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  15. What will happen if there is no mitosis at all in living organisms ?

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  16. How will you stain a microscopic slide showing mitosis in onion roots ...

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  17. What happens if the fallopian tubes are partially blocked and the ovul...

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  18. What will happen if there is no mitosis at all in living organisms ?

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  19. Identify the given picture. What is the message given by it?

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  20. How will you stain a microscopic slide showing mitosis in onion roots ...

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