I asked my genetics teacher if you took a group of flies and wildly inbred them, would they become identical and they refused to answer.
I don’t know if they thought that was too crazy of a question or if they didn’t actually know. This is assuming that they don’t become sterile from the inbreeding of course
The answer is no because there isn't blending of genes but each gene retains its identity, they are just shuffled between. The progeny. This was one of the criticisms of natural selection before genes were discovered because it was thought that any advantageous mutations would blend away. It's a good question, fuck your teacher.
Anon teacher dont want to repeat how meiosis works and that there is a step call crossing over where genes get "mix" and that's why we have the hematotesticular barrier, our inmune system won't recognize the proteins that this sperms (at that stage spermatocytes) are expressing. Or something along that lines.
Iq also lowers each generation. Cousin marriage alone is a 2% dip in iq, cumulative. If you want your genes to persist, have many kids, so your genes dont exist whole but across many people, like a normal fucking man.
The Habsburg jaw was probably just a recessive trait in their family
But many people don't have that recessive trait
But they do have other recessive traits and diseases probably
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