Why You're Almost Certainly More Like Your Father Than Your Mother.

Why most cultures go by Paternal Linage. 

Paternal genes have been found to be more dominant than the maternal ones. Genes from your father are more dominant than those inherited from your mother. All mammals are likely to use the majority of genetic material passed down from males, even if offspring look and act more like mom- University of North Carolina’s School of Medicine.

This means that even though we inherit an equal amount of DNA from each parent, the paternal line is mostly found to govern how a person develops into an adult – especially in regards to their health.