Special:Badtitle/NS90:Talk:Autosomal Disorders/Grammer Errors

. It was described in 1866 for the first time by John Down, but the karyotype of 21 trisomy was discover much more later – in 1959.

This sentence is a mess grammatically speaking. I think this would be better, "Trisomy was first described in 1866 by scientist John Down, and later elaborated upon with much greater detail through the Karyotype of Trisomy discovery in 1959.