are Elderbrains more dominant than their offspring Mindflayers

think about this one a lot are ELDERBRAINS more dominant than their offspring MINDFLAYERS and seeing as MINDFLAYERS basically need ELDERBRAINS to survive would it be devastating if an ELDERBRAIN got killed in the hive successfully would it lead to the collapse of the MINDFLAYER hive because basically the hive can not operate without the central brain or intelligence or would the ELDERBRAIN be strong enough to either escape by merging with a DRAGON and becoming a ELDERBRAIN DRAGON or by using psychic attack to defend itself