Q. How many of the following diseases shows inheritance pattern similar to Mendelian factors?
Cystic fibrosis, Klinefelter's syndrome, Haemophilia, Down's syndrome, Sickle cell anemia, Colour blindness, Turner's syndrome, Thalassemia, Phenylketonuria

 1661  212 NTA AbhyasNTA Abhyas 2020Principles of Inheritance and Variation Report Error

Solution:

Cystic Fibrosis, Sickle cell anaemia, Thalassemia and Phenyllketonuria are autosomal recessive disorders.
Haemophilia and Colorblindness are X lined recessive disorders. They are Mendelian disorders.
Klinefelter's syndrome (XXY), Down's syndrome (Trisomy 21), Turner's syndrome (X0) are chromosomal disorders.