Biology - Genetics - Advanced - Sex-linked inheritance - Why Are More Boys Color Blind?
Q1: 'About 8% of males are red-green color blind, but only 0.5% of females. Why the difference?' (The gene is on the X chromosome and males only have one X / Boys don't eat enough carrots / It's random). Q2: 'Males are XY. If the X chromosome carries a recessive disease allele, does the Y 'cover' it