Using the Neandertal genome to study the evolution of small insertions and deletions in modern humans

Table 1 Fixed and polymorphic indels on the human lineage by length

Category	1 bp	2 bp	3 bp	4 bp	5 bp	Sum: 1–5 bp
Fixed deletions	86,791	26,860	14,802	12,161	4689	145,303
Fixed insertions	66,333	13,589	8022	9406	2867	100,217
Fixed rDI	1.30	1.97	1.845	1.29	1.635	1.449
Polymorphic deletions	344,533	121,548	82,114	84,393	31,607	664,195
Polymorphic insertions	226,712	38,545	21,147	27,180	8986	322,570
Polymorphic rDI	1.519	3.15	3.88	3.10	3.52	2.06

Ratio of deletions to insertions (rDI) is given for polymorphic and fixed indels of different lengths on the human lineage. Fisher’s exact tests were applied to the counts of fixed and polymorphic insertions and deletions in each column and yielded p-values < 2.2e-16 in all comparisons

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