Secondary Sequences cost more, but have 1 less required upgrade before synergy,
Secondary sequence Synergy does not free the Genetic feat slot but improves the existing bonuses of that sequence.
Gene Synergy - Increase Vial effects (+2 Fort, Upgrade fur DR to +2, +50% Chakra Resistance)
Unusual side effects may include skin hair or fur color changes
Fur Coat adaptation has been known to manifest in unusual ways other than being simply a fur coat across the entire body
(be creative)