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Assertion: Synthesis of DNA takes place ...

Assertion: Synthesis of DNA takes place in the S. phase of interphase.
Reason: Every chromosme, during metaphase, has two chromatids.

A

If both assertion `&` Reason are True `&` the Reason is a corrrect explanation of the Asserion.

B

If both Assertion `&` Reason are True but Reason is not correct explanation of the Assertion.

C

If Assertion is Trie but the Reason is False.

D

If both Assertion `&` Reason are false

Text Solution

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The correct Answer is:
a
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ERRORLESS -CELL CYCLE AND CELL DIVISION-Cell Cycle And Cell Division
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  2. DNA replication in bacteria occurs

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  3. Assertion: Synthesis of DNA takes place in the S. phase of interphase....

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  4. Assertion: Reduction division occurs in anaphase-I. So there is no nee...

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  5. Assertion: Karyokinesis occurs in M-phase Reason: Cell division sto...

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  6. Assertion: Interphase is resting stage. Reason: The interphase cell ...

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  7. Assertion: DNA synthesis occurs in G(1) and G(2) periods of cell cycle...

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  8. Assertion: Mitosis maintains the genetic simllarity of somatic cells. ...

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  9. Assertion: Chlasmata is formed during diplotene. Reason: Chiasmata a...

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  10. Assertion: During zygotene, chromosmes show bivalent stage. Reason: ...

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  11. Assertion: Miosis takes place in pollen mother cells. Reason: Each p...

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  12. Assertion: Meiotic division results in the production of haploid cells...

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  13. Bivalents in meiosis are

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  14. Which type of cell division occurs in the gonads

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  15. The spindle fibre contracts in

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  16. If there were 4 chromosomes present during prophase, how many chromoso...

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  17. Which is not characteristic of meiosis

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  20. Crossing over is advantageous because it brings about

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