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Unformatted text preview: 22/10/2007 10:27:00 ← VIII Anatomy of a typical eukaryotic gene ← IX The eukaryotic genome • A) Amount of DA • B) Repetitive DNA • C) Transposable lements • D. Gene families • E. Gene organization in yeast • F. The human genome ← Dystrophin has >65 introns ← Titin 312 intron ← ← Number of introns depends on species. ← How big are introns and extrons? <50bp to ~10kb • introns 14bp, some are greater than 50kilobases o one is 740kb pairs long • Some genes are < 1kb. Some are 100kb o one of the largest genes is dystrophin is 2500kb o Typical size of a human gene is 30kb. • Postitions of introns in genes is conserved throughout evolution.Length of introns ansd sequence varies, but the position is well conserved. • Introns are removed by a splicer, which is an enzymatic machinery. ← What is the point of introns?...
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This note was uploaded on 05/26/2008 for the course MCDB 120 taught by Professor Johncarlsoncarolbascom-slackfrankslack during the Fall '07 term at Yale.
- Fall '07