DNA probe meaning

A DNA probe is a tool used in molecular biology to detect a specific sequence of nucleotides within a DNA molecule.


DNA probe definitions

Word backwards AND eborp
Part of speech The part of speech of the word "DNA probe" is a noun phrase. "DNA" is an acronym for deoxyribonucleic acid, a type of molecule, and "probe" is a noun referring to a device or substance used to detect or investigate something, in this case DNA.
Syllabic division DNA probe has three syllables: DNA / probe.
Plural The plural of DNA probe is DNA probes.
Total letters 8
Vogais (3) a,o,e
Consonants (6) d,n,a,p,r,b

DNA probe is a powerful tool used in molecular biology to detect the presence of specific sequences of DNA. These probes are short, single-stranded DNA or RNA sequences that can bind to complementary sequences in the target DNA.

One of the key uses of DNA probes is in the field of genetic testing. By using a probe that is complementary to a specific gene or DNA sequence, scientists can identify genetic mutations or variations that may be associated with certain diseases or conditions.

Types of DNA Probes

There are several types of DNA probes used in molecular biology, including radioactive probes, fluorescent probes, and enzyme-linked probes. Each type has its advantages and is used for different applications.

Radioactive Probes

Radioactive probes contain a radioactive isotope that can be detected using autoradiography. These probes are highly sensitive and can be used to detect very small amounts of DNA.

Fluorescent Probes

Fluorescent probes are labeled with a fluorescent dye that emits light when exposed to a specific wavelength of light. These probes are often used in techniques such as fluorescence in situ hybridization (FISH) to visualize specific DNA sequences in cells or tissues.

Applications of DNA Probes

DNA probes have a wide range of applications in molecular biology, genetics, and medical diagnostics. They are used in genetic testing, disease diagnosis, forensic science, and research to study gene expression and function.

Overall, DNA probes play a crucial role in advancing our understanding of genetics and molecular biology, and they continue to be valuable tools for researchers and healthcare professionals in various fields.


DNA probe Examples

  1. Scientists used a DNA probe to identify the genetic mutation causing the rare disease.
  2. Law enforcement utilized a DNA probe to match the suspect's DNA to evidence found at the crime scene.
  3. Genetic counselors recommended a DNA probe test to determine the risk of inherited diseases.
  4. Researchers employed a DNA probe to track the movement of specific genes in a cell.
  5. Doctors used a DNA probe to detect the presence of a certain virus in a patient's blood sample.
  6. Wildlife conservationists utilized a DNA probe to identify individual animals based on their unique genetic markers.
  7. Archaeologists employed a DNA probe to analyze ancient remains and determine familial relationships.
  8. Farmers used a DNA probe to ensure the authenticity of plant varieties and prevent fraud in the agricultural industry.
  9. Biotechnologists developed a new DNA probe technology for rapid and accurate genetic testing.
  10. Hospitals implemented a DNA probe screening program to detect genetic predispositions to certain diseases in newborns.


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  • Updated 09/05/2024 - 23:41:36