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What is repetitive DNA?...

What is repetitive DNA?

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Repetitive DNA. It consists of DNA nucleotides or base sequences which are few to several hundred base pairs(bp)long and are present in several to million copies per genome.
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Explore conceptually related problems

Read the following statements and choose the correct one(s). A. During DNA replication, Adenine pairs with Uracil B. Chargaff's rule is applicable only for double stranded DNA. C. The area with long sequence of short repetitive DNA is called satellite DNA.

(a) Which of the following forms of DNA are right-handed double helices ? B-DNA, Z-DNA, D-DNA. (b) How many base pairs per turn of the helix are these in the following forms of DNA ? A-DNA, C-DNA and Z-DNA. ( c) What is satellite DNA ?

Knowledge Check

  • Which is an example of highly repetitive DNA ?

    A
    Alu elements
    B
    Histone gene cluster
    C
    Dispersed DNA
    D
    DNA mini-satellite

  • Telomeres with repetitive DNA sequence

    A
    Act as replicons
    B
    Are transcription initiators
    C
    Help in chromosome pairing
    D
    Prevent chromossome loss

  • Assertion :- DNA fingerprinting involves identifying differences in some specific regions in DNA called as repetitive DNA sequences. Reason : These sequences show high degree of polymorphism & from the basis of DNA fingerpringing.

    A
    If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.
    B
    If both Assertion & Reason are trur but Reason is not a correct explanation of the Assertion.
    C
    If Assertion is True but the Reason is Flase.
    D
    If both Assertion & Reason are false.

    • Similar Questions

    Explore conceptually related problems

    (a) What is a triplet in DNA molecule ? (b) What does DNA and RNA stand for?

    What is recombinant DNA technology? What are its applications?

    Assertion :- The repetitive DNA are separted from bulk genomic DNA as different peaks during density geadient centrifugation. Reason : Type bulk DNA forms a minor peak %+& other major peaks are referred to as satellite DNA.

    Assertion : DNA fingerprinting involves identifying difference is some specific regions in DNA sequence. Reason: In repetitive DNA sequences , a small stretch of DNA is repeated many times.

    What is recombinant DNA?

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