Question

Select the correct statement.

• A. Presence of non functional retinal cone cells lead to colour blindness
• B. Y-linked inheritance is criss-cross in human beings
• C. X-linked disorders very frequently appear in human females
• D. In human being carrier females are colour blind

Hint:

{Colour blindness = defect in cone cells}.

Answer 1

The Correct Option is A

Step 1: Understanding colour vision.
Cone cells in the retina are responsible for colour vision.
Step 2: Cause of colour blindness.
Non-functional or defective cone cells result in colour blindness.
Step 3: Eliminating incorrect statements.
Y-linked inheritance is not criss-cross, X-linked disorders are more common in males, and carrier females are not colour blind.