Juvenile and adult metabolism are constrained from evolving independently from each other even in a species that lacks developmental continuity between juvenile and adult organs.
A complex colour polymorphism which links colour with behavioural and life-history traits is associated with a single gene duplication in male wood tiger moths.
A toxin-antidote element, identified for its role as a selfish genetic element that spreads through a population by killing certain offspring, also plays a beneficial role to the host.
