Sands of time Quote by Siddhartha Mukherjee
““It has repeated elements that appear frequently. A pesky, mysterious three-hundred-base-pair sequence called Alu appears and reappears tens of thousands of times, although its origin, function, or significance is unknown.””
About This Quote
Source Book: The Gene: An Intimate History, 2016
Alu elements are abundant repetitive DNA sequences whose purpose remains mysterious despite their prevalence.
In simple terms: Alu repeats are common DNA pieces with unknown function.
Investigate unknown genetic components.
Themes
Mood
Type
When to use this quote
- research
- education
- genome editing
- bioinformatics
- public health
Key Concepts
Questions to Reflect On
- Why do genomes retain seemingly useless sequences?
- How might Alu elements influence disease?
Current knowledge is limited; functional significance may be context‑dependent.