]iks, ]ēks noun plural but singular in construction
1.
a. : a branch of biology that deals with the heredity and variation of organisms and with the mechanisms by which these are effected
b. : a treatise or textbook on this subject
2. : the genetic makeup and phenomena of an organism, type, group, or condition
the genetics of drosophila
3. : genesis
the psychological analysis of religious experience; its genetics and causal conditions — F.P.Clarke
a classification of clouds based on … their physical and meteorological genetics and structure — D.W.Perrie