re·ces·sive 
(rĭ-sĕsĭv)
(rĭ-sĕsĭv)adj.
1. Tending to go backward or recede.
2.
a. Genetics Of, relating to, or designating an allele that does not produce a characteristic effect when present with a dominant allele.
b. Of or relating to a trait that is expressed only when the determining allele is present in the homozygous condition.
n.
Genetics
Genetics
1. A recessive allele or trait.
2. An organism having a recessive trait.
re·cessive·ly adv.