Genetically, you are equal parts from you mother and your father. It’s the same “structure” from each, the same number of chromosomes and genes. But the genes from your two parents may well be different. Say one parent gives you brown eye DNA and the other gives you blue eye DNA. Which eye color you wind up with is a complex process, but you only wind up with one color, even though you carry both colors in your DNA. Your body only “expresses” one of the colors. To find out which of your 22,000 genes is “expressed” (i.e. used by your body), you’d need to catalog all 22,000 of yours, and your parents. Many of them would be the same – so it doesn’t matter, and neither parent gets the “credit”. But if they are different, then you’d need to figure out what they do and how to tell which one you are using. And rarely is there a one-to-one link between a single gene and some physical trait you can observe. So, I’d go back to the original statement: you are equal parts mom and dad.