Evolution Simplified

i was. it's a highly unlikely event when the single gene is considered. If two are considered, such as eye color and skin color, and if they are linked or not linked, that event becomes more likely, but I don't know how to do linked gene crosses.it woulnd't affect survival rate, but it could still be passed down, and that increases the chance of two heterozygotes in a population mating. Then there would be a homozygous recessive.Taking the example differently. If the blue eye was dominant over brown eye, then you end up with the trait being passed down much more easily. And not all mutations are not recessive, so . . .

in the sense of needing the right partner to pass on the trait, yes, it has nothing to do with the partner.

as to your second point not being absolute, if the new trait is dominant, it will be passed down. If recessive, it might not be passed down.a third ingedient would be a new environment, as that changes just what traits are preferable. Ohterwise, the population remains fairly stable.

the answer is simple--most young die. In order to ensure that the population survives, an astronomical number of zygotes must be created.

to your objection on the difficulty of defining "good" and "bad", it's not really that difficult.you have two traits for one gene. the first allows for increased successful reproduction. the second either decreases, or stays the same, as the original rate of successful reproduction.the first is "good"
the second is "bad".then you get to put the environmental light on. which can then make trait 2 better than trait 1, or not. or they can both become "bad".as a side note:
this outline has nothing to say about morality. do not make this about morality. it has nothing to say about eugenics. do not make this about eugenics.a second side note (to platypus):
the bible was also used to support racial superiority. still is, by some people.

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