Difficulties in NGS assembly
Sequencing errors: two reads that came from
the same place in the genome often have
mismatching sequences
AGTGATTAG
AT
C
ATAGTAGAG
|| |||||||||
AT
G
ATAGTAGAG
GATAGAT
Repetitive DNA (~ 5-20% of human DNA is
repetitive):
TTAGGG
TTAGGG
TTAGGG
TTAGGG
TTAGGG
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