What does DNA stand for?
AnswerDeoxyribonucleic acid
DNA is deoxyribonucleic acid.
Science · Facts & stats
DNA facts & stats
7 fact-checked facts about dna, genes and genetics, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
DNA's shape is often described as what?
AnswerA double helix
Two strands twist around each other.
Going deeper
Which base pairs with adenine in DNA?
AnswerThymine
A pairs with T.
In RNA, uracil takes the place of which DNA base?
AnswerThymine
RNA uses uracil where DNA uses thymine.
A stretch of DNA that codes for a protein is called what?
AnswerA gene
Genes carry instructions for making proteins.
Expert level
The Human Genome Project was declared complete in which year?
Answer2003
The project was declared complete in 2003.
How many nucleotides make up one codon?
AnswerThree
Each codon is a three-letter code for an amino acid or a stop signal.
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