can you save cracked but lifeless seeds ?

hi all, bought 5 fem lemon skun ,5 fem big bud and got the free durban from attitude, anyway... all the seeds cracked and started showing, the big did seem slower to show but i placed them all into soil, now all have rooted and started to grow apart from the big bud..??? bit pissed as they were what i really wanted to grow, but can i re germ or try to save? or are they all 100% dead ????