Quantifying the major mechanisms of recent gene duplications in the human and mouse genomes: a novel strategy to estimate gene duplication rates

Table 2 Chromosomal locations of parental-retrogene pairs

Species	Types	NEW	FAM2	ALL^a
Human	Intra-chromosomal	8	14	116
		(29.6%)	(9.9%)	(19.8%)
	Inter-chromosomal	19	128	469
		(71.4%)	(90.1%)	(80.2%)
Mouse	Intra-chromosomal	6	21	151
		(11.8%)	(12%)	(20.8%)
	Inter-chromosomal	45	154	576
		(88.2%)	(88%)	(79.2%)

Percentages are given in parentheses. ^aBased on the lower limit of the number of retropositions; the upper limit provides similar results.

ISSN: 1474-760X