a. 后退的, 逆行的, 隐性的

n. 隐性性状

[医] 劣势的, 隐性的, 退缩的

Recessive \Re*ces"sive\ (r[-e]*s[e^]s"s[i^]v), a.
1. Going back; receding.

2. (Genetics) Not appearing in the phenotype unless both
alleles of the organism have the same trait; -- of genetic
characteristics, or of the genes coding for such
characteristics, in diploid organisms. Opposite of
{dominant}; hemophilia is a recessive trait.
[PJC]


Recessive \Re*ces"sive\ (r[-e]*s[e^]s"s[i^]v), n. (Genetics)
A genetic trait determined by a recessive[2] allele; a trait
not appearing in the phenotype unless both chromosomes of the
organism have the same allele; also, an allele which is
recessive[2].
[PJC]