Table 1. The archaic individuals analyzed in this work.
Radiocarbon dates (uncalibrated), mean contamination estimates for the DNA fragments sequenced and summary statistics for the genomes and chromosome 21 sequences.
| Age (year old) | Altai Neanderthal2 | Denisovan7 | El Sidrón Neanderthal | Vindija Neanderthal | |
|---|---|---|---|---|---|
|
| |||||
| >50,000 | >50,000 | ~49,000 | ~44,000 | ||
|
| |||||
| mtDNA contamination (%) | 0.78 | 0.35 | 0.40 | 1.08 | |
| Nuclear contamination (%) | 0.80 | 0.22 | 0.000023 | 1.12 | |
| Genome | |||||
| Average coverage | 52.7-fold | 30.9-fold | – | – | |
| Heterozygosity (per Kb) | 0.19 | 0.22 | – | – | |
| Chromosome 21 | |||||
| DNA enrichment | – | – | 320-fold | 120-fold | |
| Average coverage | 53.7-fold | 31.1-fold | 14.1-fold | 35.9-fold | |
| Heterozygosity (per Kb) | 0.13 | 0.21 | 0.24 | 0.26 | |
| Cumulative length of homozygous segments (Mb) | 10 – 100 Kb | 9.68 | 22.6 | 20.5 | 20.5 |
| > 100 Kb | 19 | 4.8 | 5.1 | 5.1 | |