atavistic
reactionary
recedent
receding
recessional
recessionary
recidivist
recidivous
regressive
retroactive
retrocedent
retrocessive
retrograde
retrogressive
retrorse
retroverse
returnable
reversible
reversional
reversionary
revertible
revulsionary
allele
allelomorph
Jefferson
X-linked
autosomal
cancer-related
causative
chromosomal
epidermolysis
gain-of-function
heterozygous
knock-in
mutant
phenotypic
primary-response
pro-inflammatory
prothrombin
sex-linked
sickle
stress-related
unanalysed
Progressive
aggressive
depressive
excessive
expressive
impressive
obsessive
oppressive
possessive
progressive
repressive
successive
unimpressive
dominant