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DNA Test Online Quiz

DNA Test Online Quiz

by alexPublished: October 18, 2025

DNA Structure Genetics
Unlock the mysteries of your genetic blueprint with our DNA Test Online Quiz. From the basics of DNA structure to the complex world of genetic testing, this quiz will take you on an informative journey through the science that shapes our very existence. Sharpen your knowledge and discover how DNA testing is revolutionizing our understanding of health, ancestry, and beyond. Ready to test your DNA know-how? Let’s get started!
DNA Test Online Quiz
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1. What does DNA stand for?
Hint: It is a molecule that carries genetic instructions.

Questions Overview

1. What does DNA stand for?
Deoxyribonucleic Acid
Deoxyribogenetic Acid
Deoxyribonitric Acid
Deoxyribophosphoric Acid
2. Which of the following is a common use of DNA testing?
Determining blood type
Identifying genetic disorders
Measuring blood pressure
Assessing cholesterol levels
3. Who is known as the ‘father of genetics’?
Charles Darwin
Gregor Mendel
James Watson
Francis Crick
4. What is the shape of the DNA molecule?
Double helix
Single helix
Triple helix
Quadruple helix
5. Which base pairs with adenine in DNA?
Cytosine
Guanine
Thymine
Uracil
6. What is the primary purpose of PCR (Polymerase Chain Reaction) in DNA testing?
To sequence DNA
To amplify DNA
To cut DNA
To repair DNA
7. Which scientist is credited with co-discovering the structure of DNA along with James Watson?
Francis Crick
Rosalind Franklin
Maurice Wilkins
Erwin Chargaff
8. What is the main difference between DNA and RNA?
DNA contains uracil, RNA contains thymine
DNA is single-stranded, RNA is double-stranded
DNA contains deoxyribose, RNA contains ribose
DNA is found in the cytoplasm, RNA is found in the nucleus
9. What percentage of human DNA is identical to that of a chimpanzee?
50%
75%
98%
99.9%
10. Which of the following is NOT a type of genetic mutation?
Insertion
Deletion
Translocation
Replication
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