Definitions:

1. Refers to abnormal or defective development. NOUN
   • Scientists studied the cacogenesis observed in the mutant strain.
2. The production of malformed or inferior offspring, or the imperfect development of an organism, trait, or characteristic. NOUN
   • The cacogenesis of disease within a population can be linked to various environmental factors.

Synonyms:

• anomaly
• defect
• deformity
• malformation