alleryStart learning →Colour blindness results from a defect in which part of the eye?
ALens of the eye
BRod cells of retina
CBlue cones only
DRed or green cones
Answer & Solution
Correct answer: D. Red or green cones
A faulty red or green cone stops the eye telling red from green.
Keep practising Principles of Inheritance and Variation
Browse all Principles of Inheritance and Variation questions for Bihar Board Class 12 (Science), or explore more Biology topics.
Related questions
Failure of cytokinesis after telophase leads to which condition, common in plants?In sickle-cell anaemia, which amino acid replaces glutamic acid in the beta globin chain?Who used recombination frequency to map gene positions on a chromosome?Which gene pair of Drosophila showed 37.2 per cent recombination?When two genes lie on the same chromosome, which gene combination is more frequent?Which organism did Morgan use in his studies of inheritance?Which two scientists noted that chromosomes behave parallel to genes?Who independently rediscovered Mendel's results in 1900?