Which of these is not a Mendelian disorder

Which among these is not a Mendelian disorder? (I) Turner's syndrome (II) Colour-blindness, (III) Cystic fibrosis (IV) Myotonic dystrophy

Mendelian Disorders

Which among these is a Mendelian disorder?

The given pedigree chart shows the Inheritance of which of the following Mendelian disorders ?

The given pedigree chart shows the Inheritance of which of the following Mendelian disorders ?

Which of the following is not a Mendelian disorder ?

Which of the following is not a Mendelian disorder?

Which of the followings is not a Mendelian disorder? Colourblindness ,Down's syndrome,Haemophilla,Thalassemia.