Class 12 Science Important Syllabus Questions Answers
Class XII Science Biology Extra Questions
Class 12th Biology Sample paper Questions
Class 12 Biology Extra Questions Answers
Why is the frequency of red-green colour blindness is many times higher in males than that in the females?
Share
For becoming colourblind, the female must have the allele for it in both her X-chromosomes; but males develop colourblindness when their sole x-chromosome has the allele for it.