If Blue Eyes Are A Recessive Trait Does That Mean That Naruto's Uzumaki Clan Had Incest? Are Does That Mean That The Had A Dominant Trait For Blue Eyes? Also Who Is Naruto's Granddad And Grandma

I'm pretty sure

Explanation:

I remember reading that if you have blue eyes, that means that there was most likely incest in your family. Not completely sure tho

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.