I'm leaning towards p-hacking myself, but I'll note the composition of your photoreceptors is partially coded on your X chromosome, which leads to differences i

I'm leaning towards p-hacking myself, but I'll note the composition of your photoreceptors is partially coded on your X chromosome, which leads to differences if you have 1 or 2 X's -- one X makes colorblindness significantly more likely, 2 X's are needed for tetrachromatism.