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[A]: The deleted region of long arm of c...

[A]: The deleted region of long arm of chro- mosome 7 contains the elastin gene.
[R]: Deletion of long arm of chromosome 7 results in Cri du Chat syndrome

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

Text Solution

Verified by Experts

The correct Answer is:
C
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TRUEMAN BIOLOGY-Genetics-ASSERTION AND REASON
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  2. [A]: Sickle-cell anaemia is a genetically de- termined disorder affect...

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  3. [A]: The deleted region of long arm of chro- mosome 7 contains the ela...

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  4. [A]: Centromere is the primary constriction on the metaphase chromosom...

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  5. [A]: Dolly, a sheep is an example of cloning. [R]: Cloning in anoth...

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  6. Assertion (A) : Replication and transcription occur in the nucleus but...

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  7. [A]: Cycads were prevalent during Jurassic period. [R]: Jurassic pe...

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  8. [A]: Evolution is descent with modification. [R]: Evolution is der...

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  9. [A]: Isolation is a mechanism which prevents interbreeding among other...

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  10. [A]: Mesozoic era is known as the 'Age of Reptiles'. [R]: It was ...

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  11. [A]: Radioactive carbon ^(14)C method is quite accurate for relativel...

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  12. [A]: According to Hardy-Weinburg law both gene frequencies and genotyp...

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  13. [A]: 'Ontogeny recapitulates phylogeny' was the concept put forward by...

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  14. [A]: Vestigeal organs are those parts of the body which are greatly re...

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  15. [A]: Homology is the similarity between organs of same animal based on...

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  16. [A]: Ear muscles of external ear in man are well developed. [R]:...

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  17. [A]: Convergent evolution leads to production of analogous similaritie...

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  18. [A]: Heritable changes are also called muta- tions. [R]: Mutation...

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  19. [A]: In some organisms the end stages of the ancestral development pat...

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  20. [A]: Homologous organs have similar structure but different functions....

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