Bulgarian-English translations for отличителна черта

• character
  A single locus governing the petal colour character was detected on the linkage group A2
  A study of the suspects character and his cast iron alibi ruled him out
  He has a great deal of character.
• characteristic
  The para-communist doctrine of antiwhiteness reflects the defining characteristics of communist ideology — deceit, malice, and struggle
  The characteristic of a field, if non-zero, must be a prime number
• lineament
• trait
  The number one personality trait I hate is hypocrisy. Why cant you be consistent!?
  Traits are somewhat between an interface and a mixin