| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Alteration of centromere | Is a | True | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Abnormal chromosomal banding | Is a | True | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Dicentric chromosome | Is a | True | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Isochromosome for long arm | Is a | True | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Ring chromosome | Is a | True | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Chromosome fragment | Is a | True | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Lengthening of short arm | Is a | True | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Chromatid break | Is a | True | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Tricentric chromosome | Is a | True | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Chromatolysis | Is a | True | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Deletion of long arm | Is a | True | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Philadelphia chromosome, Ph^1^, present | Is a | True | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Deletion of short arm | Is a | True | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Paracentric inversion | Is a | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Lengthening of long arm | Is a | True | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Chromosome inversion | Is a | True | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Pericentric inversion | Is a | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Philadelphia chromosome, Ph^1^, absent | Is a | True | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Acentric chromosome | Is a | True | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Isochromosome for short arm | Is a | True | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Chromosome break | Is a | True | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Triploidy, diploidy, mixoploidy syndrome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Four X syndrome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| 13q partial trisomy syndrome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Trisomy 21- meiotic nondisjunction | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Trisomy 21- mitotic nondisjunction mosaicism | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Trisomy 13, meiotic nondisjunction | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Trisomy 13 - mitotic nondisjunction mosaicism | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Trisomy 18 - meiotic nondisjunction | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Trisomy 18 - mitotic nondisjunction mosaicism | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Monosomy and deletion from autosome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Deletion seen only at prometaphase | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Whole chromosome monosomy - meiotic nondisjunction | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Monosomy 21, mosaicism | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Major partial trisomy | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Minor partial trisomy | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Duplication seen only at prometaphase | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Duplication with other complex rearrangement | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Extra marker chromosomes | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Chromosome inversion in normal individual | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Balanced autosomal rearrangement in abnormal individual | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Balanced sex/autosomal rearrangement in abnormal individual | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Individual with marker heterochromatin | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Individual with autosomal fragile site | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Karyotype 46, X iso (Xq) | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Karyotype 46, X with abnormal sex chromosome except iso (Xq) | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Mosaicism 45, X / other cell line with abnormal sex chromosome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Klinefelter syndrome, male with 46,XX karyotype | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Chimera 46, XX; 46, XY | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| 46, XX true hermaphrodite | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Fragile X chromosome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| 21q partial distal trisomy | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| 21q partial trisomy | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| 8q partial trisomy syndrome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| 20p partial trisomy syndrome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Anomaly of chromosome X | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Unbalanced translocation and insertion | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Partial trisomy 21 in Down's syndrome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Partial trisomy 18 in Edward's syndrome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Partial trisomy 13 in Patau's syndrome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Whole chromosome trisomy meiotic nondisjunction | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Whole chromosome trisomy - mitotic nondisjunction mosaicism | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Triploidy and polyploidy | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Deletion of part of autosome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Balanced rearrangement and structural marker | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Balanced translocation and insertion in normal individual | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Sex chromosome abnormality - female phenotype | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Turner's phenotype - ring chromosome karyotype | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Female with more than three X chromosomes | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Mosaicism - lines with various numbers of X chromosomes | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Sex chromosome abnormality - male phenotype | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Male with structurally abnormal sex chromosome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Male with sex chromosome mosaicism | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| FRAXA | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| FRAXE | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Chromosome replaced with ring or dicentric | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Klinefelter's syndrome - male with more than two X chromosomes | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Whole chromosome monosomy - mitotic nondisjunction mosaicism | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Trisomy and partial trisomy of autosome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Deletion with complex rearrangement | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Mosaicism 45, X; 46, XX | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Gynandromorphism syndrome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Group chromosomal alteration | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chromosomal alterations of group A | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chromosomal alterations of group B | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chromosomal alterations of group C and X | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chromosomal alterations of group D | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chromosomal alterations of group E | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chromosomal alterations of group F | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chromosomal alterations of group G and Y | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier | 1 | 
| Anomaly of chromosome pair 3 | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| 12p partial trisomy syndrome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| 20q partial trisomy | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| 21q partial monosomy syndrome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Anomaly of chromosome pair 15 | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Anomaly of chromosome pair 13 | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| 14q partial distal trisomy syndrome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Complete trisomy 13 syndrome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Complete trisomy 14 syndrome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| Klinefelter syndrome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  | 
| 9q partial trisomy syndrome | Associated morphology | False | Alteration of chromosome structure | Inferred relationship | Existential restriction modifier |  |