Medical Genetics Gene mutation A gene mutation is a change in the nucleotide sequence that composes a gene.This is a change or variation from the most common or wildtype sequence. Somatic mutations L Germline mutations 6 This document is produced by trial version of Print2Flash.Visit www.print2flash.com for more information
This document is produced by trial version of Print2Flash. Visit www.print2flash.com for more information
Medical Genetics Somatic vs.germline mutations Somatic tissue Normal progeny Germinal tissue Mutant sector Mutant Normal sector Mutant progeny progeny Mutations can occur in either somatic or germline tissue,but only germline mutations can be passed on to the offspring. 7 This document is produced by trial version of Print2Flash.Visit www.print2flash.com for more information
This document is produced by trial version of Print2Flash. Visit www.print2flash.com for more information
Medical Genetics Causes of gene mutation Spontaneous mutation:due to naturally- occurring errors in DNA replication. Induced mutation:due to exposures to radiation or chemical mutagens. 8 This document is produced by trial version of Print2Flash.Visit www.print2flash.com for more information
This document is produced by trial version of Print2Flash. Visit www.print2flash.com for more information
Medical Genetics Examples of gene mutation:DNA Replication Errors Normal C A TT C AC C TG T A CC A G T A A G T GG A C A T GG T Substitution C A TG C A CC TG T A CC A G T AC G TG G A C A T:GG T Deletion C A TC A CC T GT A CC A G G T AG T GG A CA T GG T C 人 Insertion C A TG T C:A C CT G T A CC G T AC A GT G GA C A T GG Elsevier.Nussbaum et al:Thompson and Thompson's Genetics in Medicine 7e-www.studentconsult.com 9 This document is produced by trial version of Print2Flash.Visit www.print2flash.com for more information
This document is produced by trial version of Print2Flash. Visit www.print2flash.com for more information
Medical Genetics Major types of gene mutation Point mutations: Rearrangements: silent mutation -frameshift mutation -missense codon deletion mutation large deletion and -nonsense insertion mutation -deletions and -splicing mutation duplications trinucleotide expansion This document is produced by trial version of Print2Flash.Visit www.print2flash.com for more information
This document is produced by trial version of Print2Flash. Visit www.print2flash.com for more information