MCQ on Genetic Markers







Genetic markers are specific DNA sequences or variations that serve as identifiable points on a person’s or organism’s genome. They are used in genetic research, diagnostics, and ancestry tracing to identify genetic traits, mutations, or associations with diseases, providing valuable insights into an individual’s or population’s genetics. This is an MCQ on Genetic Markers for its easy understanding.

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1. 
Genetic markers are DNA sequences with known locations on the genome that are used to:

2. 
Which of the following is NOT a type of genetic marker?

3. 
Genetic markers are commonly used in which scientific field?

4. 
Single Nucleotide Polymorphisms (SNPs) are variations in a single nucleotide base. They are useful for:

5. 
Short Tandem Repeats (STRs) are composed of repeating sequences of DNA. They are commonly used in:

6. 
Restriction Fragment Length Polymorphisms (RFLPs) are variations in the length of DNA fragments caused by:

7. 
Amplified Fragment Length Polymorphism (AFLP) is a genetic marker technique based on:

8. 
Genetic markers are used in genome-wide association studies (GWAS) to:

9. 
Microsatellites are short DNA sequences with tandem repeats. They are used as genetic markers due to their:

10. 
Which of the following is an example of a genetic marker used in human identity testing and forensics?

11. 
The Human Leukocyte Antigen (HLA) system is a set of genes used as genetic markers in which context?

12. 
In molecular biology, genetic markers can be used to verify the success of gene transfer experiments. What is the name of the commonly used reporter gene in these experiments?

13. 
Random Amplified Polymorphic DNA (RAPD) is a PCR-based technique used to produce random DNA fragments for genetic marker analysis. It is valuable for:

14. 
In animal breeding, genetic markers are employed to:

15. 
Which genetic marker is commonly used to study the genetic diversity and evolution of mitochondrial DNA in populations?

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