As a result, four separate forms of variability (genotypic, ontogenetic, environmentaland fluctuational) are distinguished.
Oleg Nickolayevich Tikhodeyev 2013, 'Classification of variability forms based on phenotype determining factors: Traditionalviews and their revision', Экологическая генетикаhttps://journals.eco-vector.com/ecolgenet/article/view/2420. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
This demonstrates a secondary role of the fluctuational potential in the present case.
S.V. Luniov, P.F. Nazarchuk, A.I. Zimych, Yu.A. Udovytska, O.V. Burban 2019, 'Mechanisms of electron scattering in uniaxially deformed n-Ge⟨Sb, Au⟩ single crystals',Condensed Matter Physicshttps://doi.org/10.5488/CMP.22.13702. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)