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Assertion : Left-handed DNA is known as ...

Assertion : Left-handed DNA is known as B-DNA.
Reason : Right - handed DNA is known as Z-DNA .

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

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The correct Answer is:
D
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TRUEMAN BIOLOGY-Genetics-ASSERTION AND REASON
  1. [A]: DNA is associated with proteins. [R]: DNA wound around histone ...

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  2. [A]: Translocation involves transfer of genetic material between homol...

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  3. Assertion : Left-handed DNA is known as B-DNA. Reason : Right - han...

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  4. [A]: Meselson and Stahl tested the Watson and Crick Theory of DNA repl...

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  5. Assertion (A) : Adenine cannot pair with cytosine. Reason ® : Becaus...

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  6. Assertion : DNA is associated with proteins. Reason : DNA binds aro...

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  7. Assertion. The genetic code is degenerate. Reason. Most amino acids ...

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  8. Assertion: A non-overlapping code means that a base in mRNA is not us...

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  9. [A]: Recombinant DNA contains DNA from two or more sources. [R]: Pl...

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  10. [A]: Genetic engineering is the use of tech- nology to alter the genom...

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  11. [A]: The Lac operon is an example of inducible system. [R]: When Lac...

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  12. [A]: Vectors carry only the foreign DNA/gene into the host cell. [R]...

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  13. [A]: The series of enzyme controlled reactions determine traits in an ...

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  14. [A]: Raphanobrassica is an excellent example of allotertraploidy. [...

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  15. [A]: Plasmids are double .stranded extra chromosomal DNA. [R]: Plas...

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  16. Assertion : Adenine cannot pair with cytosine. Reason : Because ther...

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  17. [A]: The base ratio (A+T )/(G+C) is constant in a particular organism....

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  18. [A]: Drosophila is commonly used in the study of genetics. [R]: Becaus...

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  19. [A]: When RH positive male marries RH negative woman the situation can...

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  20. [A]: Hershey and Chase experiment showed that protein is the genetic m...

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