Post on 24-Oct-2014
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II UNIDAD GENES Y GENOMAS
UNIDAD DE TRANSCRIPCION
GENES
• CODIFICAN PARA: RNAm, RNAr, RNAt• PSEUDOGENES• GENES REPETIDOS EN SERIE: RNAr, RNAt,
Histonas• GENES SOLITARIOS, solo existe una copia en
el genoma haploide (25-50%)• FAMILIAS DE GENES, comprenden dos o mas
genes similares• ONCOGENES• PROTO-ONCOGENES
TAREA
QUE ES UN GEN ORTOLOGO, PAROLOGO Y HOMOLOGO
EL CODIGO GENÉTICO UNIVERSAL
Fig 10.17 Increased genome size in organisms with increased developmental complexity.
© 2003 John Wiley and Sons Publishers
BACTERIAS
Fig 10.14 Comparison of the relaxed and negatively supercoiled structures of DNA.
© 2003 John Wiley and Sons Publishers
Credit: Courtesy Dr. Svend Freytag.
Fig 10.16 Diagram of the structure of the functional state of the E coli chromosome.
© 2003 John Wiley and Sons Publishers
LOS PLASMIDOS
LOS VIRUS
FAGOS