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What gene sequences do restriction enzymes target in order to create restriction fragment length polymorphisms?
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Why do the number of DNA fragments and the length of each fragment produced by RFLP analysis differ from person to person?
As the DNA fragments results from the action of the restriction enzymes and on the other hand mutations alter the sites where the restriction enzymes react therefore there is difference in number and of length of each fragment from person to person.
What does a geneticist use to cut DNA at specific base sequences?
Restriction enzymes, also known as restriction endonucleases, are used to cut DNA into smaller fragments. Restriction enzymes are found in bacteria, where they act like molecular scissors by cutting up DNA from invading viruses or bacteriophages. Each restriction enzyme recognizes a specific nucleotide sequence and cuts the DNA at that site. This process makes restriction enzymes extremely useful in biotechnology where they are used in procedures such as DNA cloning, DNA fingerprinting, and genetic engineering. There are hundreds of known restriction enzymes, and each one was named for the bacteria from which it was isolated. For example, EcoRI was isolated from Escherichia coli and HaeIII from Haemophilus aegyptius.
What does restriction endonuclease do?
They cut DNA at specific sequences. Restriction endonucleases work by cutting DNA at specific sequences. The places that are cut are known as restriction sites.
What are enzymes cutting DNA at specific sites to form restriction fragments called?
restriction enzymes or endonuclease enzymes
Restriction enzymes can cut where certain sequences of nucleotides occur?
yes
What do biotechnologist used to cut DNA molecules at specific sequences?
Restriction endonucleases or enzymes
What do biotechnologists use to DNA molecules at specific sequences?
Restriction endonucleases or enzymes
What do bio technologists use to cut molecules at specific sequences?
Restriction enzymes.
Two different restriction enzymes that recognize the same restriction site known as?
Two different DNA sequences
What type of enzyme is used to fragment dna?
restriction enzymes are used to cut DNA.
What do bio technologists use to cut DNA molecules at specific sequences?
Restriction enzymes.
What are restricted enzymes used for?
Restriction enzymes are used in lab for cutting DNA sequences at specific sites.The RE used will cut only at its recognized site. expose the base sequence of a DNA fragment. they are enzymes isolated from bacteria.They are of two types.Restriction endonuclease & restriction exo nuclease.exonucleases remove nucleotides from the ends of the DNA .endonucleases make cuts at specific positions in the DNA
