Baseline-F mutants are a sub-classification of genetically divergent individuals whose mutation onset, physiological development, and neurobehavioral profiles align with biologically female baselines. The term is used primarily within institutional and research settings, notably by organizations such as the Keystone Initiative, which employs the classification in both subject acquisition and mutation control modeling.
The designation "Baseline-F" is not formally recognized in most mutant taxonomy frameworks, such as those used by the Xavier Institute or Department of Mutant Affairs, but remains in use within legacy paramilitary and behavioral experimentation programs descended from the Weapon Plus model of mutation utility research.
Classification Criteria
Baseline-F classification is determined through a combination of biological and developmental indicators. Criteria may include:
- Assigned female sex at birth (AFAB)
- Endocrine profile typical of female puberty
- Neurological response patterning consistent with Baseline-F cognitive markers
- Mutation expression curve peaking during early adolescence
Keystone does not consider gender identity or social presentation when applying the classification. The term is used strictly as a biological and developmental identifier within their internal frameworks.
Institutional Usage and Rationale
The Keystone Initiative and its associated Program Metis rely on Baseline-F filtering as a foundational criterion for subject selection. The classification serves both functional and philosophical purposes within Keystone’s operational model:
- Early Mutation Onset: Baseline-F subjects have been observed to demonstrate mutation onset slightly earlier than Baseline-M counterparts, allowing for earlier intervention, training, and compliance conditioning.
- Neurobehavioral Responsiveness: Internal research suggests Baseline-F subjects exhibit higher rates of mirror neuron plasticity and emotional synchronicity—traits Keystone associates with improved behavioral shaping outcomes.
- Physiological Malleability: Developmental factors such as skeletal elasticity, pain tolerance thresholds, and hormonal adaptability have been cited in support of using Baseline-F subjects in experimental or high-risk mutation control protocols.
- Legacy Justification: The classification emerged from research during Weapon Plus: Program DELTA, in which the only surviving and stable assets were Baseline-F subjects. This outcome directly influenced Keystone’s decision to refine their future conditioning models exclusively around that profile.
Known Baseline-F Subjects within the Keystone Initiative
| Subject ID | Codename | Source Program |
|---|---|---|
| K-078-2F | Lethe | Program Metis |
| Weapon XVII-A | Nike | Program DELTA |
| Weapon XVII-K | Clio | Program DELTA |