I think a more reasonable explaination is that all the eggs on the derelict are first generation and this will use egg morphing to propergate.
Going by things we have read and the fears of some. If David has tinkered with some creature, the neomorph?, and the result is something like big chap, then I would surmise that the initial way that the creature reproduces is via egg morphining. But due to the Accelerant having a part to play in the creation of the Big chap type creature, the later generations would naturally result in a Queen, due to the accelerant causing evolution/mutations, being born and her more efficient way of reproducing takes over.
I say more efficient as each Xenomorph would require one host as opposed to 2.
This could also give us a reason for the ridge headed aliens. They are all from the queens eggs.
Just my theory, does it make any sense ? Lol