Males inherit the X chromosome from their mothers, the Y from their fathers.
Williams results from the genetics testing came today and its a bit of a mouthful but… there was a variation from the normal pattern wirh interstitial hemixygous copy number gain Xp22.33. The test states there is additional genetic material.
Chromosome 22 is the second smallest human chromosome (21 is the smallest) including more than 51 million DNA sectors (they’re in pairs) and represent between 1.5 and 2% of the total DNA in cells.
There is no defined link between this and autism but there are a few case studies referring to it and those with learning difficulties but not enough research has been carried out. Its is classed medically as having uncertain clinical significance.
If it has come back as nothing detected that would have been shit but manageable.
If something would have been detected on his Y chromosome I wouldn’t have blamed Dave but I am sat here now blaming myself. After all the X chromosome came from me.
Have I done this to him? To us? The paediatrician will be booking in a consultation to discuss the results in more detail and establish if further investigations are needed but now I’m terrified of what they will say… will further investigation point the finger at me even more?
I just feel like I’m back at the beginning of our journey, like all the progress we’ve made in our acceptance and grieving over a child we thought we would have hasn’t mattered and I’m back to looking at him and crying because this could all be down to me.