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Fig. 1 | Genome Biology

Fig. 1

From: AuthentiCT: a model of ancient DNA damage to estimate the proportion of present-day DNA contamination

Fig. 1

Excess of directly adjacent C-to-T substitutions inside aDNA sequences. The observed and expected frequencies of the distance between pairs of C-to-T substitutions are compared amongst sequences that exhibit two internal C-to-T substitutions (excluding the first and last 5 bases). The colours correspond to sequence data from different archaic humans (> 500,000 sequences each; Les Cottés Z4-1514, Spy 94a, Vindija 87, Mezmaiskaya 2, Goyet Q56-1 from [58]; Scladina I-4A and Hohlenstein-Stadel from [23]; Denisova 2 from [59]; Mezmaiskaya 1 from [60]). The present-day human DNA control dataset is represented in black [9]. All sequences are derived from single-stranded DNA libraries

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