Table 2.

Rates of Chromosome Evolution in Different Taxa

Comparison Chromosomal disruptions Method Divergence time (Myr) Genome size studied (Mb) Disruption per Mb per Myr
Drosophila melanogaster/ Drosophila repleta 228RSR62h 28m–35n 0.06567-0.05253
Drosophila melanogaster/ Drosophila pseudoobscura 112[ii] NT30i 22m o 0.08485
Homo sapiens/Mus musculus 180b NT114j 3000p–2700p 0.00026–0.00029
Homo sapiens/Sus scrofa 35c NT93j 3000p–2700p 0.00006–0.00007
Mus musculus/Sus scrofa 77c NT114j 2700p 0.00013
Homo sapiens/Capra hircus 100d NT93j 3000p q 0.00018
Mus musculus/Capra hircus 187d NT114j 2700p–3000q 0.00030–0.00027
Arabidopsis thaliana/Brassica nigra 90e NT35j 120r–360e 0.01071–0.00357
Lycopersicon/Capsicumssp.22f Direct count40k 950r–1900/3800r 0.00029–0.00010
Zea mays/Sorghum bicolor 15g Direct count24l 2500r–760r 0.00013–0.00041

[i] RSR, see Ranz et al. (1997); NT, see Nadeau and Taylor (1984).

[ii] Segarra et al. (1995); b Ehrlich et al. (1997);c Johansson et al. (1998); d Schibler et al. (1998a);e Lagercrantz (1998); f Livingstone et al. (1999);g Whitkus et al. (1992); h Spicer (1988);i Throckmorton (1975); j Janke et al. (1994);k Paterson et al. (1996); l Gaut and Doebley (1997);m Adams et al. (2000); n Schulze and Lee (1986);o Powell (1997); p Dear (1997); q Schibler et al. (1998b); r Arumuganathan et al. (1991).