pen·e·trance 
(pĕnĭ-trəns)
(pĕnĭ-trəns)n.
The frequency, under given environmental conditions, with which a specific phenotype is expressed by those individuals with a specific genotype.
- neoimpressionism
- neo-impressionism
- neoimpressionist
- Neo-Lamarckian
- Neo-Lamarckism
- neoliberal
- neoliberalism
- neolith
- Neolithic
- neological
- neologically
- neologism
- neologist
- neologistic
- neologistical
- neologize
- neology
- Neo-Malthusian
- Neo-Malthusianism
- neomycin
- neon
- neonatal
- neonatally
- neonate
- neonatologist