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These are the tiny fragments of single stranded DNA which are labelled with radioactive materials or fluorescing material with base pairs complementary to the fragments of the VNTR regions of a DNA. These are used during electrophoresis or DNA fingerprinting in order to get the position of desired DNA.
For example; a VNTR region has base pair ATG, then the probe has got the base pairs TAC and a radiactive isotope, like P32 is attached to it. Now the probe combines only to those places where there are the VNTR regions. The isotope will now radiate and so the places from where radiations are received only contain the VNTRs. Hence we can specify the region.
hope u'll understand:)
Wiki User
∙ 12y ago
Wiki User
∙ 10y agoDNA probes are tiny little fragments of DNA which have been labeled with radioactive materials with base pairs complementary to the fragments of the VNTR regions of a DNA.These have been used during an electrophoresis or DNA fingerprinting in order to get the position of a certain DNA profile.
Wiki User
∙ 11y agoWorking with Dna is all about complementary biochemical arrangements. While the Dna 'molecule' has several gazzillion positively unique fingerprints, the Probe contains a short, highly specific sequence that will bind in the fashion of Complementarity to just only that one specific area of the Dna that it is complementary to or with.
Wiki User
∙ 10y agoThey transfer the DNA from the bacteria onto filter paper. The clone cells bearing the donor DNA as well as the attached probe glow when they are placed under ultraviolet light or exposed to photgraphic film. This reveals its location, and scientists can now grow more of the specific recombinant bacterial clone.
Wiki User
∙ 10y agoThey are complimentary sequences designed to target a specific sequence and signal their location in some way, either by attaching a radioactive part to the probe or something that emits light once it's bonded to the targeted DNA.
Wiki User
∙ 11y agoused for the dissection of frogs or animals
Wiki User
∙ 12y agoA DNA probe is used to find a sequence of nucleotides in a segment of DNA.
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What is the role of radioactive phosphorus in DNA technologies?
To make DNA probes
What are Molecules of DNA are referred to as?
Its not seekers it could possiably be probes.
What is genomic chips?
Genome chips are miniaturized plates containing hundreds of microscopic wells on their surface. These wells contain DNA probes. DNA probes are basically stretches of cDNA from a particular genome. When genomic DNA isolated from an organism is allowed to interact with the cDNA probes, come probes bind to the genomic DNA while others do not (depending on complementarity. A laser light is used to read each well and look at what sequences are bound. This information is valuable to scientists who can determine changes in gene expression based on the information obtained from a gene chip
What is extracted from cells for DNA microarray technology?
mRNA is extracted from cells for DNA microarray. the mRNA is then converted in the lab to cDNA this cDNA is allowed to interact with the probes on the microarray chip
How are restriction enzymes used to look for differences between DNA samples?
Restriction enzymes cleave, or open, the DNA so that a sample can be taken and gel electrophoresis can separate the strands of DNA. From there, DNA probes bind to certain strands in each sample and DNA fingerprints can show the differences.
What is the role of radioactive phosphorus in DNA technologies?
To make DNA probes
How does probe work?
probes work with the help of samira who is the best at finding out how to work probes. she is specailised at working probes and describing them.
Rna and DNA probes bind specifically to the single stranded DNA of their target?
true
What are Molecules of DNA are referred to as?
Its not seekers it could possiably be probes.
Scientist test for alleles that cause genetic disorders by?
using DNA probes
What are molecules that seek out and identify a particular molecule or piece of DNA referred to as?
Probes
Molecules that seek out and indentify a particular molecule or piece of DNA are referred to as?
probes
What is genomic chips?
Genome chips are miniaturized plates containing hundreds of microscopic wells on their surface. These wells contain DNA probes. DNA probes are basically stretches of cDNA from a particular genome. When genomic DNA isolated from an organism is allowed to interact with the cDNA probes, come probes bind to the genomic DNA while others do not (depending on complementarity. A laser light is used to read each well and look at what sequences are bound. This information is valuable to scientists who can determine changes in gene expression based on the information obtained from a gene chip
In what field are TaqMan probes used?
TaqMan probes are used in the field of molecular biology. They are used in many medical labs around the world for purposes of gene expression and DNA research.
What is extracted from cells for DNA microarray technology?
mRNA is extracted from cells for DNA microarray. the mRNA is then converted in the lab to cDNA this cDNA is allowed to interact with the probes on the microarray chip
How do solar powered space probes work?
the same as they do on earth!
How are restriction enzymes used to look for differences between DNA samples?
Restriction enzymes cleave, or open, the DNA so that a sample can be taken and gel electrophoresis can separate the strands of DNA. From there, DNA probes bind to certain strands in each sample and DNA fingerprints can show the differences.
