Biology 1002B Lecture Notes - Lecture 21: Intron, Comparative Genomics, Exon
26 May 2016
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Document Summary
Where are the genes in humans: 10x as big than proks, introns are often hugs (vast majority of coding region). The exons are small compared to the introns: 8 or 10 introns in each gene, or way more. Comparative genomics can reveal many processes underlying genome evolution. The introns are catalytic rna and can splice themselves out of messages. So maybe the leca was infected, and over evolutionary time, the euks could do alternative splicing, be more complex, and be more t through this. Comparative genomics can reveal genomes of common ancestors. We can reconstruct the karyotype of an ancestor. Since the time between puffer sh and humans, we"ve rearranged a lot of our genome. But we can see a lot of sh chromosomes stuck together in our chromosomes for it to be by mistake. Rst, then in the genome that gave rise to sh, there was an entire genome duplication, which fused together and gave rise to modern sh.
