Definition of recessive adjective from the Oxford Advanced Learner's Dictionary

 

recessive

 adjective
adjective
BrE BrE//rɪˈsesɪv//
 
; NAmE NAmE//rɪˈsesɪv//
 
(biology) Genetic engineering
 
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a recessive physical characteristic only appears in a child if it has two genes for this characteristic, one from each parent. It does not appear if a dominant gene is also present. See related entries: Genetic engineering Word Origin late 17th cent.: from recess, on the pattern of excessive.
See the Oxford Advanced American Dictionary entry: recessive