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Differentiation of organs and tissues in...

Differentiation of organs and tissues in a develping organism, is assoiated with

A

developmental mutations

B

differential expression of genes

C

lethal mulations

D

deletion of gene

Text Solution

Verified by Experts

The correct Answer is:
B
Differentiation of organs and tissues in a developing organism is associated with differential expression of genes . In rehulation of gene expression the chromosomal proteins play important role.
The chromosomal proteins are of two types, histones and non - histones . The regulation of gene expression involves an interaction between histones ans - histones.
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-MOLECULAR BASIS OF INHERITANCE-EXERCISE
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  2. The Okazaki fragments in DNA chain growth

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  3. Differentiation of organs and tissues in a develping organism, is asso...

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  4. The length of DNA molecile greatly exceeds the dimensions of the nucle...

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  5. Molecular basis of organ differentiation depends on the modulation in ...

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  6. Telemere repetitive DNA sequences control the function of eukarote chr...

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  7. "One gene one enzyme" theory was proposed by

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  8. Amino acid sequence, in protein synthesis is decided by the sequence o...

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  9. Which one of the following makes use of RNA as a template to synthesiz...

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  10. Which one of the following hydrolyses internal phosphodiester, bonds i...

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  11. During transcription holoenzyme RNA polymerase binds to a DNA sequence...

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  12. Telomerase is an enzyme which is a

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  13. During replication of a bacterial chromosome DNA syntnthesis stars fro...

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  14. After a mutation at a genetic locus the character of an organism chan...

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  15. The telomeres of eukaryotic chromosomes consist of short sequences of

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  16. The following ratio is generally constant for a given species

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  17. During transcription, if the nucleotide sequence of the DNA strand tha...

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  18. DNA fingerprinting refers to

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  19. What does ''lac'' refer to in what we call the lac operon ?

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  20. During transcription, the site of DNA molecule at which RNA polymerase...

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