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Satellite DNA is important because it...

Satellite DNA is important because it

A

codes for proteins needed in cell cycle

B

show high degree of polymorphism in population and also the same degree of poylmorphism in an individual, which is heritable from parents to children

C

does not code for proteins and is same in all members of the population

D

codes for enzymes needed for DNA replication

Text Solution

Verified by Experts

The correct Answer is:
B
Satellite DNA forms the minor peak after centrifugation of DNA. These are repetitive DNA sequences that do not code for any protein. They show high degree of polymorphism and heritable from parents to children, thus form the basis of DNA fingerprinting.
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-MOLECULAR BASIS OF INHERITANCE-EXERCISE
  1. which one of the following is not applicable to RNA

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  2. Identify the correct order of organisation of genetic material from...

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  3. Satellite DNA is important because it

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  4. Which one of the following is wrongly matched ?

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  5. Transformation was discovered by

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  6. The diagram shows an important concept in the genetic implicatio of D...

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  7. Which enzyme/s will be produced in a cell in which there is a nonsese ...

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  8. Removal of RNA polymerase III from nucleoplasm will affect the synthes...

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  9. Which one of the following is not a part of trasncription unit in DNA

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  10. Ribosomal RNA is synthesised in

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  11. If one strand of DNA has the nitrogenous base sequence as ATCTG, what ...

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  12. Removal of introns and joining of exons in a defined order during tran...

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  13. The structure in chromatin seen as 'beads-on' string' when viewed unde...

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  14. Select the two correct statements out of the four (1-4) given below ab...

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  15. What is not true for genetic code ?

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  16. Whose experiments cracked the DNA and discovered unequivocally that a ...

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  17. Polysome is formed by

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  18. Which one of the following pairs of codons is correctly matched with t...

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  19. A sequential expression of a set of human genes occurs when a steroid ...

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  20. One gene - one enzyme relationship was established for the first time ...

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