Colour blindness results from
Absence of rods
Absence of cones
Absence of eyelids
Inverted retina
Both husband and wife have normal vision though their fathers were colourblind and mothers did not have any gene for colour blindness. The probability of their daughter becoming colourblind is
Following pedigree chart shows
Select the correct match.
A normal woman, whose father was colour-blind is married to a normal man. The sons would be
Which of the following abnormalities is due to autosomal dominant mutation?