Genes are something that is inherited.
Red hair- genes
Sport- jeans
Dark skin- genes
Roll your tongue- genes (surprisingly the skill is passed down and that's why only some people can do it)
Picky Eater- jeans
Spanish- jeans
Color-blind- genes
Schoolwork- jeans
Dyed hair- jeans
Pierced Ears- jeans
Freckles- genes
Saxophone- jeans
Sweet food- jeans
Blue eyes- genes
Blood type- genes
Dimples- genes
Poetry- jeans
Tall- genes
Nails- jeans
I hope this helps!