Do I really inherit half my genes from both parents?

If I look at people I know, they seem to take after one parent or the
other, not both. Is there an explanattion for this. For example, if one
parent is ugly and smart and the other is good looking and dumb, the
children seem to be either ugly/smart or goodlooking/dumb.

Are there some simple rules about genetics that layperson can
understand? I would like to use genetics to select a mate that will
give me children with the best traits. I dont believe in tossing the
dice on something so important if it is not necessary.


.

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