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Biology, 17.12.2019 00:31 malak3782

Imagine that in the newest episode of csi miami lt. caine was investigating a murder case. on the crime scene he found blood, which likely belongs to the killer. he performed str analysis, ran a codis search and found a match. unfortunately his suspect turned out to have a twin brother who has an identical str profile. to determine which twin is the killer he then performed an analysis known as whole genome bisulfite sequencing (wgbs) which allows determining the dna methylation status of all cytosines in the genome. when looking at the results he found that dna methylation levels of the crime scene sample were significantly more similar to one of the twin brothers. what conclusions may be drawn from this finding? o this finding implicates one brother because dna methylation is only heritable through meiosis, not through mitosis, so the brothers should have different blood methylation patterns this finding implicates both brothers because they should have identical dna methylation patterns in their blood cells o this finding implicates one brother because dna methylation patterns randomly established in early development may be different between twins and may be maintained through mitotic divisions o this finding is inconclusive since dna methylation is perfectly heritable through meiosis and therefore twin brothers should have the same dna methylation patterns this finding is inconclusive since dna methylation is not heritable

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