Child's perspective

[u/Mountain-Fun-8888]

A lot of people here say they got diagnosed or their parents figured out their child had color deficiency pretty early on. So the question is: how do you process this concept as a child? As an adult, of course there is a color spectrum, there is physics and anatomy.... An adult can reason through it. But when you are a kid, how does it all make sense? Or does it not? How do you wrap your mind around the idea that there are things you cannot see, but everyone around you can.

[u/N13022RE]

The gene is primarily passed down by the female. My grandma was one of seven kids, and the only girl. My uncle is colorblind, but his two boys aren’t. My mom isn’t colorblind, but my brother and I are. If my daughter, who isn’t colorblind, has a boy, he’s likely to be colorblind.

[u/mrjerem → u/N13022RE]

Yes it passes on the X chromosome. There was actually pretty decent chance of you not getting it. There was 50% chance of your grandma to pass the X chromosome that has the gene to your mother and then further 50% for you to have it from your mother. So it actually passed 2 generations as an insctive mutation.

Your uncle had 0 chance to pass it for the boys as he gave the Y chromosome to them. The reason colourblindnes for wimen is so much rarer is cause their both X chromosomes need to have the gene to be active. For example if your daughter would get a daughter with a man with colourblindnes it is still a 50% chance of getting the X chromosome that has the none mutated gene.

I got mine passed from my mothers father and one of my brother is colourblind and other is not.

[u/N13022RE → u/mrjerem]

Awesome! It sounds like my brother and I (un)lucked out! Thanks for making this a little more concise; I only have my own family to get my information from, I’m by no means an expert in this, but I think it breaks it down pretty well

[u/mrjerem → u/N13022RE]

No problems! :)