1. Gender (Biological Sex) Fathers carry both X and Y chromosomes, so they decide if it’s a boy or girl. 2. Eye color Darker eye colors are dominant, so if dad has them, baby may too. 3. Dimples and certain facial features Things like dimples, chin shape, and nose structure can be passed down genetically. 4. Hair traits Texture, Thickness, and even early hair lines can come from dads side. 5. Intelligence Dad influences cognitive traits and personality development. 6. Personality tendencies Temp