Table 1.
Classification of monomeric types in live and dead AS layers.
| Functional state, location |
Old classificationa |
New classification [6] |
Ancestral arrangementb | Age group | ||
|---|---|---|---|---|---|---|
| SF | Monomer class, (type) | SF/colored layer | Monomer class, (type) | |||
| Live SFs Core centromere |
SF1 | J1(A) J2(B) |
SF1 | J1(A) J2(B) |
Dimeric | New |
| SF2 | D1(B) D2(A) |
SF2 | D1(B) D2(A) |
Dimeric | New | |
| SF3 | W1(B) W2(B) W3(B) W4(A) W5(A) |
SF3 | W1(B) W2(B) W3(B) W4(A) W5(A) |
Pentameric | New | |
| Dead SFs/layers Peripheral centromere |
SF5 | R1(B) R2(A) |
Blue (SF5) | R1(B) R2(A) |
Irregular | Old |
| SF4 + | M1 + (A) | Yellow (SF4) | M1(A) | Monomeric | Old | |
| Yellow-striped (SF6) | V1(A) | Monomeric | Old | |||
| Olive-green (SF?) | H1(A) H2(A) |
Dimeric | Ancient | |||
| Red (SF?) | H3(A) | Monomeric | Ancient | |||
| Gray (SF?) | H4(A) | Monomeric | Ancient | |||