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About DNA & Genetics
Unravel the mysteries of DNA, genes, and heredity in this genetics quiz DNA & Genetics packs 15 multiple-choice questions aimed at mixed difficulty into a relaxed session of roughly 7 minutes — no sign-up, no timer pressure. An explanation appears after every answer, and finishing once a day keeps your streak alive.
A few sample questions
1. What does DNA stand for?
Answer: Deoxyribonucleic Acid
2. Who discovered the double helix structure of DNA in 1953?
Answer: James Watson and Francis Crick
3. Which scientist is known as the 'father of genetics' for his work with pea plants?
Answer: Gregor Mendel
4. How many pairs of chromosomes does a typical human cell contain?
Answer: 23
5. Which four bases make up the 'rungs' of the DNA ladder?
Answer: Adenine, Thymine, Guanine, Cytosine
Frequently asked questions
Can I print DNA & Genetics?
Yes — use the Print button at the top of the page for a clean question sheet, or "Print with Answers" to make an answer key. Printed sheets work well for group play at home, in a classroom, or at a senior center.
Will I lose my progress if I close the page?
Your overall progress — XP, streaks, and badges — is saved in your browser automatically. A quiz that's underway restarts if you leave mid-game, but at about 7 minutes, DNA & Genetics fits comfortably in one sitting.
How many questions are in DNA & Genetics?
DNA & Genetics has 15 multiple-choice questions. Each one has four answer options and an explanation that appears after you answer, so you learn something even when you miss.
Is DNA & Genetics free to play?
Yes. The entire SeniorBrainGames catalog — including DNA & Genetics — is free, with no sign-up required, no time limits, and no ads on top of the game. It also works offline once the page has loaded once.
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