Even if there was just 2 there is no 100% guarantee that inbreeding will cause any major affects. The risk is there don’t get me wrong but it is possible. As you
Move further along the tree it gets safer too.
With 200 you have enough to support normal breeding.
Genetic diversity would be horrible with inbreeding and would leave them vulnerable but it’s not a 100% death. With 200 an issue with genetics is not likely to kill them outright. It’s cripple the population but those who have not inbreed will most likely survive.
It should also be noted that any genetic infection issues can be avoided with proper hygiene and viral protection agents. Won’t fix it and there will be purely genetic issues but it helps with virus that hate certain genes.
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