>>14317550gonna try and make this as quick as possible
dominant and recessive genes are passed down, dominant obviously tending to overpower the recessive
when you fuck someone who is not closely related, they'll have dominant-recessive pairs more often, making the baby a mix of the parents
a lot of those recessive genes lead to birth defects like the instant death of the baby or blue bloods with deformed faces
when you fuck your sister, there's much more recessive to recessive genetics meaning the baby must inherit the recessive genetic disorders