One down, 23 to go. Chromosome 22 has become the first human chromosome whose
DNA sequence is known in full, except for a few minor gaps. Ian Dunham,
coordinator of the international sequencing project at the Sanger Centre in
Cambridge, estimates that the chromosome contains 800 or so genes. The
33.5-million-base sequence includes a continuous strand of 23 million bases, the
largest single chunk of DNA ever logged (Nature, vol 402, p 489). The
sequence includes gaps where it was impossible to clone the DNA using
bacteria.
More from 51¶¯Âþ
Explore the latest news, articles and features
Health
The mysterious reason why women get hotter from age 18 to 42
51¶¯Âþ
Comment
This is the most underrated sci-fi film franchise of the 21st century
Culture
Comment
Shiver me timbers: Do we have to worry about space pirates now?
Regulars
Life
PMOS shows us why many scientific terms need to be renamed
Leader
Popular articles
Trending 51¶¯Âþ articles
1
The Selfish Gene at 50: Why Dawkins’s evolution classic still holds up
2
The ‘doomsday’ glacier’s giant ice shelf is about to break away
3
Mystery of the ancient giant stone jars of Laos may have been solved
4
The mysterious reason why women get hotter from age 18 to 42
5
After news about Oliver Sacks's "lies", we revisit his best-loved book
6
The distant world that is our best hope of finding alien life
7
We may finally know why dinosaurs like T. rex evolved tiny arms
8
Rebooting stem cells builds aged muscles and assists injury recovery
9
Can we harness quantum effects to create a new kind of healthcare?
10
Why autism pioneer Uta Frith wants to dismantle the spectrum
