Literature: Levan A., Fredga K., Sandberg A. A. (1964) Nomenclature
for centromeric position of chromosomes. Hereditas 52: 201-220.
Centromere position |
abbr. |
arm length ratio
(long/short) |
| median |
m |
> 1.0 to 1.7 |
| submedian |
sm |
> 1.17 to 3.0 |
| subterminal |
st |
> 3.0 to 7 |
| terminal |
t |
> 7 to infinity |