“There is not one type of girl.”
Yes and no. There are many differences but all are xx.
[ “There is not one type of girl.”
Yes and no. There are many differences but all are xx. ]
Some are XO too, it is called Turner Syndrome and I have a cousin that has it.
There is also a syndrome called CAIS and they are XY buy due to a malformed SRY gene and they don’t find out until puberty that they are XY.
But those are all exceptions.