In this function, y is the dependent variable and x is the independent variable. Variable used in an experiment or modelling can be divided into three types:  dependent variable ,  independent variable , or other.
About 70% of men have an eye dominance that matches their handedness. BUT, 30% do not. Most right handers have a dominant right eye and the bulk of southpaws a dominant left. These are the people who are well advised to shoot both eyes open (assuming that they are shooting from their strong shoulder).
Your father's blue eyes are a recessive trait, and although you have an allele for blue eyes, the dark eye allele that you received from your mother masks the expression of the blue eye, recessive allele. +. 1. Achoo Syndrome: This dominant trait is also called the photo sneeze reflex.