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[A]: Drosophila is commonly used in the ...

[A]: Drosophila is commonly used in the study of genetics. [R]: Because it is very small and its life cycle is short.

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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A
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TRUEMAN BIOLOGY-Genetics-ASSERTION AND REASON
  1. Assertion : Adenine cannot pair with cytosine. Reason : Because ther...

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

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

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

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

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  6. [A]: The DNA fingerprinting relies on recombinant DNA technology and c...

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  7. [A]: Chromatid is one of a pair of replicated chromosomes found during...

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  8. [A]: For a recipient to receive blood from a donor, the recipient's pl...

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  9. [A]: Lampbrush chromosomes are found in the oocytes of certain animals...

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  10. Assertion (a) : Superumerary chromosomes do not usually have anay eff...

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  11. [A]: The chromosomes of plants are larger than animals. [R]: The ch...

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  12. [A]: Metacentric chromosomes are V- shaped. [R]: In these chromosom...

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  13. [A]: Chromosomes are divided into heterochromatin and euchromatin part...

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  14. [A]: Triplet code is a degenerate one. [R]: Explanation for degener...

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  15. Assertion : Identical twins are produced during two births , resulti...

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

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  17. [A]: Polymerase chain reaction (PCR) followed by DNA probe is used dur...

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  18. [A]: The preparation of recombinant DNA re- quires restriction enzymes...

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  19. [A]: Plasmids are small accessory rings of DNA found in some bacteria ...

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  20. [A]: Proteins are polymers of amino acids. [R]: Nucleic acids are p...

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