Just one. One extra chromosome. But it changes almost everything. Hudson’s extra 21st chromosome means he has Down syndrome. It means he has different physical characteristics. It means he has low muscle tone which makes everything harder. It means he might have developmental delays. It means people sometimes look at him and judge him based on his diagnosis. It means we have to advocate harder and educate others. One extra chromosome. But…. there are some things that it doesn’t change. And one o