Table 1.

ROH lengths and the corresponding expected mean time of their origin due to inbreeding where number of years assumes a generation length of 5 y

ROH length(s)	Generations since parents shared ancestor	Years since parents shared ancestor
<100 kb	More than 263	More than 1,315
>100 kb	Up to 263	Up to 1,315
>1 Mb	Up to 26	Up to 130
>5 Mb	Up to 5	Up to 25
>10 Mb	Up to 3	Up to 15