4.4 Pseudogenes are dead ends of evolution Exon 1 Intron Exon 2 Intron Exon 3 Interupted gene NNXN八八00020入NN Nuclear RNA mRNA AAAAAAAA 5'end corresponds 3 end has with mRNA A-T sretch Processed 入入八MNN入NXMN pseudogene Continuous stretch of exons Short direct repeats of target DNA Figure 16.19 Pseudogenes could arise by reverse transcription of RNA to give duplex DNAs that become integrated into the genome 清苇大当
Figure 16.19 Pseudogenes could arise by reverse transcription of RNA to give duplex DNAs that become integrated into the genome. 4.4 Pseudogenes are dead ends of evolution
4.5 Unequal crossing-over rearranges gene clusters Thalassemia is disease of red blood cells resulting from lack of either a or B globin Unequal crossing-over describes a recombination event in which the two recombining sites lie at nonidentical locations in the two parental DNA molecules. 情菜大当
Thalassemia is disease of red blood cells resulting from lack of either a or b globin. Unequal crossing-over describes a recombination event in which the two recombining sites lie at nonidentical locations in the two parental DNA molecules. 4.5 Unequal crossing-over rearranges gene clusters