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What is DNA copying and state its import...

What is DNA copying and state its importance?
OR
How does the amount of DNA remain constant though each generation is a combination of DNA copies of two individuals?

Text Solution

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A process where a DNA molecule produces two similar copies of itself in a reproducing cell. Importance - (i) It makes possible the transmission of characters from parents to the next generation. I (ii) It causes variation in the population.
It remains constant as gametes are special type of cells which contains half the number of chromosomes unlike other cells in the body.
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ZEN PUBLICATION-HOW DO ORGANISMS REPRODUCE?-ZEN ADDITIONAL QUESTIONS SECTION (SHORT ANSWER [SA] TYPE 2 QUESTIONS)
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  10. Is the chromosome number of zygotes, embryonal cells and adult of a pa...

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  11. Define the term pollination. Differentiate between self and cross poll...

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  16. What is DNA copying and state its importance? OR How does the amou...

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  19. List any three differences between pollination and fertilization.

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  20. How does fertilization take place in human beings? Fertilization takes...

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