DNA Quiz
Understand DNA basics in about 10 minutes, from structure and replication to mutations and inheritance. Free and fast, with scenario questions that sharpen your science know how with no sign up.


08:30
Scale Explorer
How the Scales are Structured
DATA-BASED USER COHORTS
Who Usually Takes This Test?
BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.
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See How You Compare
Once you complete the test, your results are compared with real-world data from people in your country.
Below is a preview of how scores are typically distributed across each scale.
Below is a preview of how scores are typically distributed across each scale.
DNA Knowledge (DK)
DNA Knowledge (DK)
Average
4.1
Normal range
1.5 — 6.7
min.
0
max.
16
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Once you complete the test, your result will appear on the scale so you can see how you compare.
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SAMPLE QUESTIONS
Example Questions From the Test
- Amino acid, phosphate group, and nitrogenous base
- Ribose sugar, fatty acid, and nitrogenous base
- Deoxyribose sugar, phosphate group, and nitrogenous base
- Deoxyribose sugar, amino acid, and glycerol
- Guanine
- Thymine
- Adenine
- Uracil
- Two newly synthesized strands
- Two original strands joined to a new chromosome
- One DNA strand and one RNA strand
- One original strand and one newly synthesized strand
WHAT THE TEST MEASURES
About This Assessment
DNA Quiz - Symptoms and Signs
How well do you understand deoxyribonucleic acid, the molecule that carries hereditary information? Take this free 16-question DNA quiz to test your knowledge of DNA structure, base pairing, replication, mutations, inheritance, gene expression, and common laboratory methods. Several questions ask you to apply what you know to short scientific scenarios. This is an educational knowledge test, not a genetic, medical, ancestry, or laboratory DNA test. No sign-up is needed.
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