parastasis

par·a·sta·sis

(par'ă-stā'sis),
A reciprocal relationship among causal mechanisms that can compensate for, or mask defects in, each other; in genetics, a relationship between nonalleles (classified by some as a form of epistasis).
[G. standing shoulder to shoulder]

par·a·sta·sis

(par'ă-stā'sis)
1. A reciprocal relationship among causal mechanisms that can compensate for, or mask defects in, each other.
2. genetics A relationship between nonalleles (classified by some as a form of epistasis).
[G. standing shoulder to shoulder]