Table 12.8.

Field-Specific Abbreviations

Abbreviation	Term
ace	acentric fragment
add	additional material of unknown origin
b	break
c	constitutional anomaly
cen	centromere
chr	chromosome
cht	chromatid
del	deletion
dic	dicentric
dup	duplication
e	exchange
fra	fragile site
g	gap
h	heterochromatin
i	isochromosome
ins	insertion
inv	inversion
mar	marker chromosome
mos	mosaic
rea	rearrangement
rec	recombinant chromosome
s	satellite
t	translocation
tan	tandem
tel	telomere
tri	tricentric chromosome
v	variable region